./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 06:49:06,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 06:49:06,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 06:49:06,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 06:49:06,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 06:49:06,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 06:49:06,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 06:49:06,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 06:49:06,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 06:49:06,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 06:49:06,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 06:49:06,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 06:49:06,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 06:49:06,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 06:49:06,827 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 06:49:06,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 06:49:06,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 06:49:06,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 06:49:06,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 06:49:06,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 06:49:06,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 06:49:06,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 06:49:06,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 06:49:06,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 06:49:06,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 06:49:06,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 06:49:06,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 06:49:06,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 06:49:06,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 06:49:06,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:49:06,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 06:49:06,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 06:49:06,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 06:49:06,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 06:49:06,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 06:49:06,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 06:49:06,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 06:49:06,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 06:49:06,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 06:49:06,834 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 [2024-10-14 06:49:07,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 06:49:07,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 06:49:07,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 06:49:07,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 06:49:07,059 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 06:49:07,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2024-10-14 06:49:08,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 06:49:08,573 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 06:49:08,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2024-10-14 06:49:08,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec44cd1b/fc1c8b95b38e4cf5b968f03d6f4a41a2/FLAG84c884c2e [2024-10-14 06:49:08,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec44cd1b/fc1c8b95b38e4cf5b968f03d6f4a41a2 [2024-10-14 06:49:08,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 06:49:08,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 06:49:08,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 06:49:08,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 06:49:08,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 06:49:08,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:49:08" (1/1) ... [2024-10-14 06:49:08,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3016d345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:08, skipping insertion in model container [2024-10-14 06:49:08,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:49:08" (1/1) ... [2024-10-14 06:49:08,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 06:49:08,833 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2024-10-14 06:49:09,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:49:09,220 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 06:49:09,228 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2024-10-14 06:49:09,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:49:09,360 INFO L204 MainTranslator]: Completed translation [2024-10-14 06:49:09,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09 WrapperNode [2024-10-14 06:49:09,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 06:49:09,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 06:49:09,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 06:49:09,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 06:49:09,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:09,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:09,782 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5179 [2024-10-14 06:49:09,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 06:49:09,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 06:49:09,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 06:49:09,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 06:49:09,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:09,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:09,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 06:49:10,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 06:49:10,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 06:49:10,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 06:49:10,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 06:49:10,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (1/1) ... [2024-10-14 06:49:10,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:49:10,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 06:49:10,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 06:49:10,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 06:49:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 06:49:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 06:49:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 06:49:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 06:49:10,767 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 06:49:10,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 06:49:13,932 INFO L? ?]: Removed 3377 outVars from TransFormulas that were not future-live. [2024-10-14 06:49:13,933 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 06:49:14,019 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 06:49:14,020 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 06:49:14,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:49:14 BoogieIcfgContainer [2024-10-14 06:49:14,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 06:49:14,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 06:49:14,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 06:49:14,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 06:49:14,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:49:08" (1/3) ... [2024-10-14 06:49:14,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3317c01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:49:14, skipping insertion in model container [2024-10-14 06:49:14,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:09" (2/3) ... [2024-10-14 06:49:14,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3317c01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:49:14, skipping insertion in model container [2024-10-14 06:49:14,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:49:14" (3/3) ... [2024-10-14 06:49:14,028 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pj_icu.c [2024-10-14 06:49:14,040 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 06:49:14,040 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 06:49:14,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 06:49:14,115 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40387ada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 06:49:14,116 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 06:49:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 1211 states, 1209 states have (on average 1.500413564929694) internal successors, (1814), 1210 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-14 06:49:14,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:14,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:14,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:14,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:14,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2045370461, now seen corresponding path program 1 times [2024-10-14 06:49:14,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:14,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241943258] [2024-10-14 06:49:14,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:15,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:15,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241943258] [2024-10-14 06:49:15,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241943258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:15,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:15,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:15,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574285130] [2024-10-14 06:49:15,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:15,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 06:49:15,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:15,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 06:49:15,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:49:15,082 INFO L87 Difference]: Start difference. First operand has 1211 states, 1209 states have (on average 1.500413564929694) internal successors, (1814), 1210 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:15,197 INFO L93 Difference]: Finished difference Result 2306 states and 3456 transitions. [2024-10-14 06:49:15,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 06:49:15,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2024-10-14 06:49:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:15,218 INFO L225 Difference]: With dead ends: 2306 [2024-10-14 06:49:15,218 INFO L226 Difference]: Without dead ends: 1212 [2024-10-14 06:49:15,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:49:15,229 INFO L432 NwaCegarLoop]: 1809 mSDtfsCounter, 0 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5422 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:15,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5422 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:49:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-10-14 06:49:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1212. [2024-10-14 06:49:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1211 states have (on average 1.4979355904211396) internal successors, (1814), 1211 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1814 transitions. [2024-10-14 06:49:15,376 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1814 transitions. Word has length 132 [2024-10-14 06:49:15,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:15,377 INFO L471 AbstractCegarLoop]: Abstraction has 1212 states and 1814 transitions. [2024-10-14 06:49:15,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1814 transitions. [2024-10-14 06:49:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-14 06:49:15,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:15,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:15,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 06:49:15,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:15,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:15,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1016329164, now seen corresponding path program 1 times [2024-10-14 06:49:15,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:15,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340932816] [2024-10-14 06:49:15,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:15,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:15,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:15,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340932816] [2024-10-14 06:49:15,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340932816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:15,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:15,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:15,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796759714] [2024-10-14 06:49:15,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:15,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 06:49:15,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 06:49:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:49:15,815 INFO L87 Difference]: Start difference. First operand 1212 states and 1814 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:15,884 INFO L93 Difference]: Finished difference Result 2309 states and 3456 transitions. [2024-10-14 06:49:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 06:49:15,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2024-10-14 06:49:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:15,889 INFO L225 Difference]: With dead ends: 2309 [2024-10-14 06:49:15,889 INFO L226 Difference]: Without dead ends: 1214 [2024-10-14 06:49:15,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:49:15,891 INFO L432 NwaCegarLoop]: 1809 mSDtfsCounter, 0 mSDsluCounter, 3610 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5419 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:15,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5419 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:49:15,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-10-14 06:49:15,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2024-10-14 06:49:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1213 states have (on average 1.4971145919208573) internal successors, (1816), 1213 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1816 transitions. [2024-10-14 06:49:15,931 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1816 transitions. Word has length 133 [2024-10-14 06:49:15,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:15,931 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1816 transitions. [2024-10-14 06:49:15,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1816 transitions. [2024-10-14 06:49:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-14 06:49:15,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:15,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:15,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 06:49:15,934 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:15,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:15,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1755569174, now seen corresponding path program 1 times [2024-10-14 06:49:15,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:15,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909016223] [2024-10-14 06:49:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:16,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:16,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909016223] [2024-10-14 06:49:16,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909016223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:16,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:16,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:16,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534305555] [2024-10-14 06:49:16,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:16,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:16,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:16,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:16,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:16,732 INFO L87 Difference]: Start difference. First operand 1214 states and 1816 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:16,803 INFO L93 Difference]: Finished difference Result 2315 states and 3463 transitions. [2024-10-14 06:49:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:16,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-10-14 06:49:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:16,809 INFO L225 Difference]: With dead ends: 2315 [2024-10-14 06:49:16,809 INFO L226 Difference]: Without dead ends: 1218 [2024-10-14 06:49:16,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 06:49:16,812 INFO L432 NwaCegarLoop]: 1806 mSDtfsCounter, 1692 mSDsluCounter, 3606 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:16,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 5412 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:49:16,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-10-14 06:49:16,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1217. [2024-10-14 06:49:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1216 states have (on average 1.495888157894737) internal successors, (1819), 1216 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1819 transitions. [2024-10-14 06:49:16,833 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1819 transitions. Word has length 134 [2024-10-14 06:49:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:16,833 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1819 transitions. [2024-10-14 06:49:16,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1819 transitions. [2024-10-14 06:49:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-14 06:49:16,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:16,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:16,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 06:49:16,840 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:16,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:16,840 INFO L85 PathProgramCache]: Analyzing trace with hash 152615479, now seen corresponding path program 1 times [2024-10-14 06:49:16,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:16,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476964472] [2024-10-14 06:49:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:18,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:18,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476964472] [2024-10-14 06:49:18,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476964472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:18,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:18,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:18,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337336776] [2024-10-14 06:49:18,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:18,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:18,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:18,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:18,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:18,016 INFO L87 Difference]: Start difference. First operand 1217 states and 1819 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:18,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:18,181 INFO L93 Difference]: Finished difference Result 2442 states and 3650 transitions. [2024-10-14 06:49:18,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:18,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2024-10-14 06:49:18,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:18,186 INFO L225 Difference]: With dead ends: 2442 [2024-10-14 06:49:18,186 INFO L226 Difference]: Without dead ends: 1342 [2024-10-14 06:49:18,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 06:49:18,188 INFO L432 NwaCegarLoop]: 1779 mSDtfsCounter, 1939 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 5338 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:18,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 5338 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:18,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-10-14 06:49:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1223. [2024-10-14 06:49:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1222 states have (on average 1.495090016366612) internal successors, (1827), 1222 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1827 transitions. [2024-10-14 06:49:18,206 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1827 transitions. Word has length 135 [2024-10-14 06:49:18,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:18,206 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1827 transitions. [2024-10-14 06:49:18,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1827 transitions. [2024-10-14 06:49:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 06:49:18,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:18,208 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:18,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 06:49:18,208 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:18,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:18,209 INFO L85 PathProgramCache]: Analyzing trace with hash -473544519, now seen corresponding path program 1 times [2024-10-14 06:49:18,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:18,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347697360] [2024-10-14 06:49:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:18,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:18,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347697360] [2024-10-14 06:49:18,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347697360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:18,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:18,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:18,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618610765] [2024-10-14 06:49:18,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:18,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:18,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:18,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:18,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:18,975 INFO L87 Difference]: Start difference. First operand 1223 states and 1827 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:19,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:19,214 INFO L93 Difference]: Finished difference Result 2446 states and 3655 transitions. [2024-10-14 06:49:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:19,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2024-10-14 06:49:19,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:19,220 INFO L225 Difference]: With dead ends: 2446 [2024-10-14 06:49:19,220 INFO L226 Difference]: Without dead ends: 1346 [2024-10-14 06:49:19,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:19,222 INFO L432 NwaCegarLoop]: 1774 mSDtfsCounter, 2132 mSDsluCounter, 5482 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2132 SdHoareTripleChecker+Valid, 7256 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:19,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2132 Valid, 7256 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-10-14 06:49:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1226. [2024-10-14 06:49:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1225 states have (on average 1.4946938775510203) internal successors, (1831), 1225 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1831 transitions. [2024-10-14 06:49:19,245 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1831 transitions. Word has length 136 [2024-10-14 06:49:19,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:19,246 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1831 transitions. [2024-10-14 06:49:19,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1831 transitions. [2024-10-14 06:49:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 06:49:19,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:19,247 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:19,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 06:49:19,247 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:19,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:19,248 INFO L85 PathProgramCache]: Analyzing trace with hash 141829086, now seen corresponding path program 1 times [2024-10-14 06:49:19,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:19,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782630848] [2024-10-14 06:49:19,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:19,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:20,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:20,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782630848] [2024-10-14 06:49:20,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782630848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:20,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:20,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 06:49:20,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723259143] [2024-10-14 06:49:20,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:20,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 06:49:20,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:20,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 06:49:20,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 06:49:20,290 INFO L87 Difference]: Start difference. First operand 1226 states and 1831 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:20,635 INFO L93 Difference]: Finished difference Result 2450 states and 3660 transitions. [2024-10-14 06:49:20,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 06:49:20,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-10-14 06:49:20,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:20,639 INFO L225 Difference]: With dead ends: 2450 [2024-10-14 06:49:20,640 INFO L226 Difference]: Without dead ends: 1350 [2024-10-14 06:49:20,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-14 06:49:20,645 INFO L432 NwaCegarLoop]: 1773 mSDtfsCounter, 2140 mSDsluCounter, 7410 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 9183 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:20,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 9183 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:20,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-10-14 06:49:20,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1229. [2024-10-14 06:49:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1228 states have (on average 1.494299674267101) internal successors, (1835), 1228 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1835 transitions. [2024-10-14 06:49:20,668 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1835 transitions. Word has length 137 [2024-10-14 06:49:20,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:20,669 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1835 transitions. [2024-10-14 06:49:20,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1835 transitions. [2024-10-14 06:49:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 06:49:20,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:20,670 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:20,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 06:49:20,670 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:20,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:20,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1276231814, now seen corresponding path program 1 times [2024-10-14 06:49:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:20,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221893323] [2024-10-14 06:49:20,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:21,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:21,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221893323] [2024-10-14 06:49:21,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221893323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:21,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:21,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:21,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637211767] [2024-10-14 06:49:21,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:21,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:21,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:21,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:21,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:21,306 INFO L87 Difference]: Start difference. First operand 1229 states and 1835 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:21,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:21,454 INFO L93 Difference]: Finished difference Result 2443 states and 3649 transitions. [2024-10-14 06:49:21,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:21,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-10-14 06:49:21,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:21,458 INFO L225 Difference]: With dead ends: 2443 [2024-10-14 06:49:21,458 INFO L226 Difference]: Without dead ends: 1343 [2024-10-14 06:49:21,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:21,460 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2117 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2117 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:21,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2117 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:21,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2024-10-14 06:49:21,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1229. [2024-10-14 06:49:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1228 states have (on average 1.493485342019544) internal successors, (1834), 1228 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1834 transitions. [2024-10-14 06:49:21,478 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1834 transitions. Word has length 137 [2024-10-14 06:49:21,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:21,478 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1834 transitions. [2024-10-14 06:49:21,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1834 transitions. [2024-10-14 06:49:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-14 06:49:21,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:21,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:21,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 06:49:21,480 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:21,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:21,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1212124032, now seen corresponding path program 1 times [2024-10-14 06:49:21,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:21,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821464735] [2024-10-14 06:49:21,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:22,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:22,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821464735] [2024-10-14 06:49:22,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821464735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:22,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:22,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 06:49:22,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062238076] [2024-10-14 06:49:22,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:22,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 06:49:22,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:22,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 06:49:22,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:22,414 INFO L87 Difference]: Start difference. First operand 1229 states and 1834 transitions. Second operand has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 10 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:22,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:22,784 INFO L93 Difference]: Finished difference Result 2447 states and 3654 transitions. [2024-10-14 06:49:22,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 06:49:22,784 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 10 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2024-10-14 06:49:22,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:22,788 INFO L225 Difference]: With dead ends: 2447 [2024-10-14 06:49:22,788 INFO L226 Difference]: Without dead ends: 1347 [2024-10-14 06:49:22,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-10-14 06:49:22,790 INFO L432 NwaCegarLoop]: 1771 mSDtfsCounter, 2125 mSDsluCounter, 7698 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2125 SdHoareTripleChecker+Valid, 9469 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:22,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2125 Valid, 9469 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-10-14 06:49:22,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1235. [2024-10-14 06:49:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1234 states have (on average 1.4927066450567261) internal successors, (1842), 1234 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1842 transitions. [2024-10-14 06:49:22,807 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1842 transitions. Word has length 138 [2024-10-14 06:49:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:22,807 INFO L471 AbstractCegarLoop]: Abstraction has 1235 states and 1842 transitions. [2024-10-14 06:49:22,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 10 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1842 transitions. [2024-10-14 06:49:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-14 06:49:22,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:22,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:22,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 06:49:22,809 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:22,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash 587515676, now seen corresponding path program 1 times [2024-10-14 06:49:22,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:22,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110993492] [2024-10-14 06:49:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:23,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110993492] [2024-10-14 06:49:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110993492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:23,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:23,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:23,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723270628] [2024-10-14 06:49:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:23,287 INFO L87 Difference]: Start difference. First operand 1235 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:23,444 INFO L93 Difference]: Finished difference Result 2448 states and 3654 transitions. [2024-10-14 06:49:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:23,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2024-10-14 06:49:23,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:23,450 INFO L225 Difference]: With dead ends: 2448 [2024-10-14 06:49:23,450 INFO L226 Difference]: Without dead ends: 1342 [2024-10-14 06:49:23,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:23,452 INFO L432 NwaCegarLoop]: 1779 mSDtfsCounter, 2108 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:23,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 5334 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-10-14 06:49:23,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1232. [2024-10-14 06:49:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1231 states have (on average 1.4922826969943135) internal successors, (1837), 1231 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1837 transitions. [2024-10-14 06:49:23,473 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1837 transitions. Word has length 138 [2024-10-14 06:49:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:23,473 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1837 transitions. [2024-10-14 06:49:23,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1837 transitions. [2024-10-14 06:49:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-14 06:49:23,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:23,474 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:23,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 06:49:23,474 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:23,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash -973936991, now seen corresponding path program 1 times [2024-10-14 06:49:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:23,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648629078] [2024-10-14 06:49:23,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:23,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:23,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:23,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648629078] [2024-10-14 06:49:23,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648629078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:23,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:23,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:23,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238424477] [2024-10-14 06:49:23,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:23,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:23,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:23,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:23,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:23,944 INFO L87 Difference]: Start difference. First operand 1232 states and 1837 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:24,101 INFO L93 Difference]: Finished difference Result 2439 states and 3641 transitions. [2024-10-14 06:49:24,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:24,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2024-10-14 06:49:24,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:24,105 INFO L225 Difference]: With dead ends: 2439 [2024-10-14 06:49:24,106 INFO L226 Difference]: Without dead ends: 1339 [2024-10-14 06:49:24,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:24,107 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2099 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:24,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-10-14 06:49:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1232. [2024-10-14 06:49:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1231 states have (on average 1.4914703493095045) internal successors, (1836), 1231 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1836 transitions. [2024-10-14 06:49:24,123 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1836 transitions. Word has length 139 [2024-10-14 06:49:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:24,124 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1836 transitions. [2024-10-14 06:49:24,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1836 transitions. [2024-10-14 06:49:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-14 06:49:24,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:24,125 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:24,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 06:49:24,125 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:24,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:24,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1883071227, now seen corresponding path program 1 times [2024-10-14 06:49:24,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:24,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242780786] [2024-10-14 06:49:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:25,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:25,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242780786] [2024-10-14 06:49:25,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242780786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:25,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:25,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 06:49:25,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658557193] [2024-10-14 06:49:25,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:25,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 06:49:25,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:25,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 06:49:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 06:49:25,087 INFO L87 Difference]: Start difference. First operand 1232 states and 1836 transitions. Second operand has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 12 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:25,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:25,514 INFO L93 Difference]: Finished difference Result 2443 states and 3646 transitions. [2024-10-14 06:49:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 06:49:25,515 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 12 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2024-10-14 06:49:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:25,519 INFO L225 Difference]: With dead ends: 2443 [2024-10-14 06:49:25,519 INFO L226 Difference]: Without dead ends: 1343 [2024-10-14 06:49:25,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-10-14 06:49:25,521 INFO L432 NwaCegarLoop]: 1770 mSDtfsCounter, 2106 mSDsluCounter, 7959 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 9729 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:25,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 9729 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2024-10-14 06:49:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1235. [2024-10-14 06:49:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1234 states have (on average 1.4910858995137763) internal successors, (1840), 1234 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1840 transitions. [2024-10-14 06:49:25,538 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1840 transitions. Word has length 139 [2024-10-14 06:49:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:25,538 INFO L471 AbstractCegarLoop]: Abstraction has 1235 states and 1840 transitions. [2024-10-14 06:49:25,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 12 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1840 transitions. [2024-10-14 06:49:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-14 06:49:25,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:25,540 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:25,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 06:49:25,540 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:25,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:25,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1637611463, now seen corresponding path program 1 times [2024-10-14 06:49:25,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:25,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820391683] [2024-10-14 06:49:25,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:25,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:26,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:26,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820391683] [2024-10-14 06:49:26,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820391683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:26,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:26,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 06:49:26,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265896459] [2024-10-14 06:49:26,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:26,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 06:49:26,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:26,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 06:49:26,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:26,517 INFO L87 Difference]: Start difference. First operand 1235 states and 1840 transitions. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 10 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:26,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:26,950 INFO L93 Difference]: Finished difference Result 2445 states and 3648 transitions. [2024-10-14 06:49:26,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 06:49:26,951 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 10 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2024-10-14 06:49:26,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:26,954 INFO L225 Difference]: With dead ends: 2445 [2024-10-14 06:49:26,954 INFO L226 Difference]: Without dead ends: 1345 [2024-10-14 06:49:26,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-10-14 06:49:26,957 INFO L432 NwaCegarLoop]: 1770 mSDtfsCounter, 2105 mSDsluCounter, 10911 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 12681 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:26,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 12681 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 06:49:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-10-14 06:49:26,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1241. [2024-10-14 06:49:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1240 states have (on average 1.4903225806451612) internal successors, (1848), 1240 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1848 transitions. [2024-10-14 06:49:26,977 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1848 transitions. Word has length 140 [2024-10-14 06:49:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:26,977 INFO L471 AbstractCegarLoop]: Abstraction has 1241 states and 1848 transitions. [2024-10-14 06:49:26,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 10 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1848 transitions. [2024-10-14 06:49:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-14 06:49:26,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:26,978 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:26,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 06:49:26,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:26,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:26,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1263138915, now seen corresponding path program 1 times [2024-10-14 06:49:26,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:26,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82362308] [2024-10-14 06:49:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:27,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:27,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82362308] [2024-10-14 06:49:27,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82362308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:27,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:27,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:27,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713840322] [2024-10-14 06:49:27,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:27,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:27,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:27,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:27,564 INFO L87 Difference]: Start difference. First operand 1241 states and 1848 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:27,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:27,741 INFO L93 Difference]: Finished difference Result 2446 states and 3648 transitions. [2024-10-14 06:49:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:27,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2024-10-14 06:49:27,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:27,745 INFO L225 Difference]: With dead ends: 2446 [2024-10-14 06:49:27,745 INFO L226 Difference]: Without dead ends: 1340 [2024-10-14 06:49:27,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:27,747 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2090 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2090 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:27,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2090 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-10-14 06:49:27,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1238. [2024-10-14 06:49:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1237 states have (on average 1.4898949070331446) internal successors, (1843), 1237 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1843 transitions. [2024-10-14 06:49:27,767 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1843 transitions. Word has length 140 [2024-10-14 06:49:27,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:27,767 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1843 transitions. [2024-10-14 06:49:27,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1843 transitions. [2024-10-14 06:49:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-14 06:49:27,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:27,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:27,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 06:49:27,769 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:27,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:27,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1258363476, now seen corresponding path program 1 times [2024-10-14 06:49:27,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:27,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49295325] [2024-10-14 06:49:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:27,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:28,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:28,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49295325] [2024-10-14 06:49:28,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49295325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:28,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:28,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:28,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508273382] [2024-10-14 06:49:28,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:28,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:28,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:28,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:28,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:28,384 INFO L87 Difference]: Start difference. First operand 1238 states and 1843 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:28,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:28,603 INFO L93 Difference]: Finished difference Result 2444 states and 3645 transitions. [2024-10-14 06:49:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:28,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-10-14 06:49:28,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:28,607 INFO L225 Difference]: With dead ends: 2444 [2024-10-14 06:49:28,607 INFO L226 Difference]: Without dead ends: 1344 [2024-10-14 06:49:28,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:28,609 INFO L432 NwaCegarLoop]: 1776 mSDtfsCounter, 2094 mSDsluCounter, 5474 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 7250 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:28,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 7250 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:28,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-10-14 06:49:28,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1244. [2024-10-14 06:49:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1243 states have (on average 1.4891391794046662) internal successors, (1851), 1243 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1851 transitions. [2024-10-14 06:49:28,624 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1851 transitions. Word has length 141 [2024-10-14 06:49:28,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:28,625 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1851 transitions. [2024-10-14 06:49:28,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:28,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1851 transitions. [2024-10-14 06:49:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-14 06:49:28,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:28,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:28,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 06:49:28,626 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:28,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:28,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1272160952, now seen corresponding path program 1 times [2024-10-14 06:49:28,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:28,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303259840] [2024-10-14 06:49:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:29,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:29,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303259840] [2024-10-14 06:49:29,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303259840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:29,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:29,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:29,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699177403] [2024-10-14 06:49:29,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:29,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:29,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:29,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:29,072 INFO L87 Difference]: Start difference. First operand 1244 states and 1851 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:29,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:29,211 INFO L93 Difference]: Finished difference Result 2445 states and 3645 transitions. [2024-10-14 06:49:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:29,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-10-14 06:49:29,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:29,215 INFO L225 Difference]: With dead ends: 2445 [2024-10-14 06:49:29,215 INFO L226 Difference]: Without dead ends: 1339 [2024-10-14 06:49:29,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:29,217 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2081 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:29,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-10-14 06:49:29,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1241. [2024-10-14 06:49:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1240 states have (on average 1.488709677419355) internal successors, (1846), 1240 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1846 transitions. [2024-10-14 06:49:29,234 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1846 transitions. Word has length 141 [2024-10-14 06:49:29,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:29,234 INFO L471 AbstractCegarLoop]: Abstraction has 1241 states and 1846 transitions. [2024-10-14 06:49:29,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1846 transitions. [2024-10-14 06:49:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 06:49:29,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:29,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:29,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 06:49:29,235 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:29,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:29,235 INFO L85 PathProgramCache]: Analyzing trace with hash 478777998, now seen corresponding path program 1 times [2024-10-14 06:49:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:29,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301508694] [2024-10-14 06:49:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:29,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:30,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:30,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301508694] [2024-10-14 06:49:30,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301508694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:30,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:30,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:30,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727343366] [2024-10-14 06:49:30,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:30,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:30,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:30,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:30,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:30,181 INFO L87 Difference]: Start difference. First operand 1241 states and 1846 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:30,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:30,434 INFO L93 Difference]: Finished difference Result 3309 states and 4936 transitions. [2024-10-14 06:49:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:30,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2024-10-14 06:49:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:30,440 INFO L225 Difference]: With dead ends: 3309 [2024-10-14 06:49:30,440 INFO L226 Difference]: Without dead ends: 2209 [2024-10-14 06:49:30,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:49:30,442 INFO L432 NwaCegarLoop]: 1775 mSDtfsCounter, 4559 mSDsluCounter, 7097 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4559 SdHoareTripleChecker+Valid, 8872 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:30,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4559 Valid, 8872 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2024-10-14 06:49:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 1324. [2024-10-14 06:49:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1323 states have (on average 1.4875283446712018) internal successors, (1968), 1323 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1968 transitions. [2024-10-14 06:49:30,461 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1968 transitions. Word has length 142 [2024-10-14 06:49:30,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:30,461 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 1968 transitions. [2024-10-14 06:49:30,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1968 transitions. [2024-10-14 06:49:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 06:49:30,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:30,463 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:30,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 06:49:30,463 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:30,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:30,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2086230920, now seen corresponding path program 1 times [2024-10-14 06:49:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:30,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275792033] [2024-10-14 06:49:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:30,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:31,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:31,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275792033] [2024-10-14 06:49:31,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275792033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:31,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:31,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:31,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754876715] [2024-10-14 06:49:31,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:31,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:31,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:31,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:31,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:31,085 INFO L87 Difference]: Start difference. First operand 1324 states and 1968 transitions. Second operand has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:31,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:31,354 INFO L93 Difference]: Finished difference Result 3313 states and 4939 transitions. [2024-10-14 06:49:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:31,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2024-10-14 06:49:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:31,359 INFO L225 Difference]: With dead ends: 3313 [2024-10-14 06:49:31,359 INFO L226 Difference]: Without dead ends: 2213 [2024-10-14 06:49:31,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:31,361 INFO L432 NwaCegarLoop]: 1773 mSDtfsCounter, 4618 mSDsluCounter, 6387 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4618 SdHoareTripleChecker+Valid, 8160 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:31,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4618 Valid, 8160 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:31,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-10-14 06:49:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 1330. [2024-10-14 06:49:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1329 states have (on average 1.4868322046651619) internal successors, (1976), 1329 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1976 transitions. [2024-10-14 06:49:31,383 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1976 transitions. Word has length 143 [2024-10-14 06:49:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:31,383 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1976 transitions. [2024-10-14 06:49:31,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1976 transitions. [2024-10-14 06:49:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-14 06:49:31,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:31,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:31,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 06:49:31,385 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:31,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:31,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1130742091, now seen corresponding path program 1 times [2024-10-14 06:49:31,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:31,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234160521] [2024-10-14 06:49:31,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:31,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:31,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234160521] [2024-10-14 06:49:31,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234160521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:31,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:31,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:31,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399599296] [2024-10-14 06:49:31,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:31,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:31,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:31,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:31,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:31,931 INFO L87 Difference]: Start difference. First operand 1330 states and 1976 transitions. Second operand has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:32,191 INFO L93 Difference]: Finished difference Result 3315 states and 4941 transitions. [2024-10-14 06:49:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-10-14 06:49:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:32,200 INFO L225 Difference]: With dead ends: 3315 [2024-10-14 06:49:32,200 INFO L226 Difference]: Without dead ends: 2215 [2024-10-14 06:49:32,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:32,205 INFO L432 NwaCegarLoop]: 1773 mSDtfsCounter, 4614 mSDsluCounter, 6739 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4614 SdHoareTripleChecker+Valid, 8512 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:32,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4614 Valid, 8512 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:32,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2024-10-14 06:49:32,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1336. [2024-10-14 06:49:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1335 states have (on average 1.4861423220973782) internal successors, (1984), 1335 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1984 transitions. [2024-10-14 06:49:32,223 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1984 transitions. Word has length 144 [2024-10-14 06:49:32,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:32,223 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1984 transitions. [2024-10-14 06:49:32,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1984 transitions. [2024-10-14 06:49:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-14 06:49:32,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:32,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:32,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 06:49:32,225 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:32,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:32,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1930004815, now seen corresponding path program 1 times [2024-10-14 06:49:32,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:32,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925882146] [2024-10-14 06:49:32,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:32,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:32,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925882146] [2024-10-14 06:49:32,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925882146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:32,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:32,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171171814] [2024-10-14 06:49:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:32,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:32,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:32,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:32,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:32,755 INFO L87 Difference]: Start difference. First operand 1336 states and 1984 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:32,939 INFO L93 Difference]: Finished difference Result 3318 states and 4943 transitions. [2024-10-14 06:49:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:32,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-10-14 06:49:32,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:32,944 INFO L225 Difference]: With dead ends: 3318 [2024-10-14 06:49:32,944 INFO L226 Difference]: Without dead ends: 2205 [2024-10-14 06:49:32,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:32,945 INFO L432 NwaCegarLoop]: 1778 mSDtfsCounter, 4596 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4596 SdHoareTripleChecker+Valid, 5330 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:32,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4596 Valid, 5330 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:32,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2024-10-14 06:49:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 1328. [2024-10-14 06:49:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1327 states have (on average 1.4860587792012057) internal successors, (1972), 1327 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1972 transitions. [2024-10-14 06:49:32,965 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1972 transitions. Word has length 144 [2024-10-14 06:49:32,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:32,965 INFO L471 AbstractCegarLoop]: Abstraction has 1328 states and 1972 transitions. [2024-10-14 06:49:32,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1972 transitions. [2024-10-14 06:49:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-14 06:49:32,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:32,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:32,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 06:49:32,966 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:32,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:32,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1096083647, now seen corresponding path program 1 times [2024-10-14 06:49:32,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:32,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179147580] [2024-10-14 06:49:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:32,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:33,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:33,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179147580] [2024-10-14 06:49:33,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179147580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:33,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:33,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245354658] [2024-10-14 06:49:33,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:33,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:33,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:33,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:33,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:33,729 INFO L87 Difference]: Start difference. First operand 1328 states and 1972 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:33,861 INFO L93 Difference]: Finished difference Result 2516 states and 3743 transitions. [2024-10-14 06:49:33,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:33,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2024-10-14 06:49:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:33,867 INFO L225 Difference]: With dead ends: 2516 [2024-10-14 06:49:33,867 INFO L226 Difference]: Without dead ends: 1337 [2024-10-14 06:49:33,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 06:49:33,868 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 1891 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:33,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 5340 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-10-14 06:49:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1327. [2024-10-14 06:49:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1326 states have (on average 1.4849170437405732) internal successors, (1969), 1326 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1969 transitions. [2024-10-14 06:49:33,882 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1969 transitions. Word has length 145 [2024-10-14 06:49:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:33,883 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1969 transitions. [2024-10-14 06:49:33,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1969 transitions. [2024-10-14 06:49:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-14 06:49:33,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:33,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:33,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 06:49:33,884 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:33,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:33,884 INFO L85 PathProgramCache]: Analyzing trace with hash -611959974, now seen corresponding path program 1 times [2024-10-14 06:49:33,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:33,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742241419] [2024-10-14 06:49:33,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:34,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:34,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742241419] [2024-10-14 06:49:34,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742241419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:34,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:34,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 06:49:34,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26237850] [2024-10-14 06:49:34,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:34,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:34,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:34,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:34,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:34,307 INFO L87 Difference]: Start difference. First operand 1327 states and 1969 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:34,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:34,401 INFO L93 Difference]: Finished difference Result 2509 states and 3732 transitions. [2024-10-14 06:49:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:34,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2024-10-14 06:49:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:34,404 INFO L225 Difference]: With dead ends: 2509 [2024-10-14 06:49:34,404 INFO L226 Difference]: Without dead ends: 1350 [2024-10-14 06:49:34,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:34,406 INFO L432 NwaCegarLoop]: 1805 mSDtfsCounter, 18 mSDsluCounter, 9010 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10815 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:34,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 10815 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:49:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-10-14 06:49:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1347. [2024-10-14 06:49:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1346 states have (on average 1.4829123328380387) internal successors, (1996), 1346 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1996 transitions. [2024-10-14 06:49:34,423 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1996 transitions. Word has length 146 [2024-10-14 06:49:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:34,424 INFO L471 AbstractCegarLoop]: Abstraction has 1347 states and 1996 transitions. [2024-10-14 06:49:34,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1996 transitions. [2024-10-14 06:49:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 06:49:34,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:34,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:34,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 06:49:34,425 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:34,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:34,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1921908099, now seen corresponding path program 1 times [2024-10-14 06:49:34,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:34,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390689635] [2024-10-14 06:49:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:34,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:35,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:35,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390689635] [2024-10-14 06:49:35,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390689635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:35,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:35,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 06:49:35,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023940686] [2024-10-14 06:49:35,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:35,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 06:49:35,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 06:49:35,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 06:49:35,083 INFO L87 Difference]: Start difference. First operand 1347 states and 1996 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:35,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:35,259 INFO L93 Difference]: Finished difference Result 2532 states and 3761 transitions. [2024-10-14 06:49:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 06:49:35,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2024-10-14 06:49:35,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:35,261 INFO L225 Difference]: With dead ends: 2532 [2024-10-14 06:49:35,261 INFO L226 Difference]: Without dead ends: 1351 [2024-10-14 06:49:35,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 06:49:35,264 INFO L432 NwaCegarLoop]: 1779 mSDtfsCounter, 2045 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2045 SdHoareTripleChecker+Valid, 7111 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:35,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2045 Valid, 7111 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-10-14 06:49:35,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1341. [2024-10-14 06:49:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1340 states have (on average 1.482089552238806) internal successors, (1986), 1340 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1986 transitions. [2024-10-14 06:49:35,283 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1986 transitions. Word has length 147 [2024-10-14 06:49:35,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:35,283 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 1986 transitions. [2024-10-14 06:49:35,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1986 transitions. [2024-10-14 06:49:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 06:49:35,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:35,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:35,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 06:49:35,285 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1238321020, now seen corresponding path program 1 times [2024-10-14 06:49:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:35,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092016777] [2024-10-14 06:49:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:35,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:35,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092016777] [2024-10-14 06:49:35,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092016777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:35,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:35,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:35,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289472864] [2024-10-14 06:49:35,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:35,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:35,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:35,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:35,851 INFO L87 Difference]: Start difference. First operand 1341 states and 1986 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:36,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:36,050 INFO L93 Difference]: Finished difference Result 2522 states and 3745 transitions. [2024-10-14 06:49:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:36,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2024-10-14 06:49:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:36,053 INFO L225 Difference]: With dead ends: 2522 [2024-10-14 06:49:36,053 INFO L226 Difference]: Without dead ends: 1351 [2024-10-14 06:49:36,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:36,055 INFO L432 NwaCegarLoop]: 1778 mSDtfsCounter, 2022 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7238 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:36,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7238 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:36,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-10-14 06:49:36,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1341. [2024-10-14 06:49:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1340 states have (on average 1.4813432835820894) internal successors, (1985), 1340 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1985 transitions. [2024-10-14 06:49:36,066 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1985 transitions. Word has length 147 [2024-10-14 06:49:36,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:36,066 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 1985 transitions. [2024-10-14 06:49:36,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1985 transitions. [2024-10-14 06:49:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 06:49:36,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:36,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:36,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 06:49:36,068 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:36,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:36,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2037724115, now seen corresponding path program 1 times [2024-10-14 06:49:36,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:36,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620646871] [2024-10-14 06:49:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:36,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:36,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620646871] [2024-10-14 06:49:36,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620646871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:36,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:36,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 06:49:36,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901933910] [2024-10-14 06:49:36,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:36,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 06:49:36,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:36,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 06:49:36,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 06:49:36,694 INFO L87 Difference]: Start difference. First operand 1341 states and 1985 transitions. Second operand has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 8 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:36,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:36,980 INFO L93 Difference]: Finished difference Result 2522 states and 3744 transitions. [2024-10-14 06:49:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 06:49:36,981 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 8 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2024-10-14 06:49:36,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:36,983 INFO L225 Difference]: With dead ends: 2522 [2024-10-14 06:49:36,983 INFO L226 Difference]: Without dead ends: 1355 [2024-10-14 06:49:36,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-14 06:49:36,984 INFO L432 NwaCegarLoop]: 1775 mSDtfsCounter, 2029 mSDsluCounter, 10643 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 12418 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:36,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 12418 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-10-14 06:49:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1343. [2024-10-14 06:49:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 1342 states have (on average 1.4806259314456036) internal successors, (1987), 1342 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1987 transitions. [2024-10-14 06:49:36,996 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1987 transitions. Word has length 148 [2024-10-14 06:49:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:36,996 INFO L471 AbstractCegarLoop]: Abstraction has 1343 states and 1987 transitions. [2024-10-14 06:49:36,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 8 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1987 transitions. [2024-10-14 06:49:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 06:49:36,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:36,998 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:36,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 06:49:36,998 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:36,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:36,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1905524523, now seen corresponding path program 1 times [2024-10-14 06:49:36,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:36,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435360060] [2024-10-14 06:49:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:37,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:37,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435360060] [2024-10-14 06:49:37,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435360060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:37,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:37,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:37,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112045389] [2024-10-14 06:49:37,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:37,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:37,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:37,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:37,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:37,464 INFO L87 Difference]: Start difference. First operand 1343 states and 1987 transitions. Second operand has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:37,652 INFO L93 Difference]: Finished difference Result 2520 states and 3740 transitions. [2024-10-14 06:49:37,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:37,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2024-10-14 06:49:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:37,655 INFO L225 Difference]: With dead ends: 2520 [2024-10-14 06:49:37,655 INFO L226 Difference]: Without dead ends: 1357 [2024-10-14 06:49:37,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:37,656 INFO L432 NwaCegarLoop]: 1777 mSDtfsCounter, 2027 mSDsluCounter, 5457 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 7234 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:37,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 7234 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-10-14 06:49:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1345. [2024-10-14 06:49:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1344 states have (on average 1.4799107142857142) internal successors, (1989), 1344 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1989 transitions. [2024-10-14 06:49:37,666 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1989 transitions. Word has length 149 [2024-10-14 06:49:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:37,667 INFO L471 AbstractCegarLoop]: Abstraction has 1345 states and 1989 transitions. [2024-10-14 06:49:37,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1989 transitions. [2024-10-14 06:49:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 06:49:37,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:37,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:37,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 06:49:37,668 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:37,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash 327795897, now seen corresponding path program 1 times [2024-10-14 06:49:37,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:37,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769711067] [2024-10-14 06:49:37,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:37,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:38,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:38,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769711067] [2024-10-14 06:49:38,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769711067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:38,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:38,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:38,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387354667] [2024-10-14 06:49:38,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:38,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:38,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:38,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:38,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:38,024 INFO L87 Difference]: Start difference. First operand 1345 states and 1989 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:38,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:38,156 INFO L93 Difference]: Finished difference Result 2526 states and 3747 transitions. [2024-10-14 06:49:38,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:38,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2024-10-14 06:49:38,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:38,159 INFO L225 Difference]: With dead ends: 2526 [2024-10-14 06:49:38,159 INFO L226 Difference]: Without dead ends: 1352 [2024-10-14 06:49:38,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:38,160 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2014 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:38,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:38,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-10-14 06:49:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1342. [2024-10-14 06:49:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1341 states have (on average 1.4794929157345265) internal successors, (1984), 1341 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1984 transitions. [2024-10-14 06:49:38,172 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1984 transitions. Word has length 149 [2024-10-14 06:49:38,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:38,172 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1984 transitions. [2024-10-14 06:49:38,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:38,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1984 transitions. [2024-10-14 06:49:38,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 06:49:38,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:38,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:38,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 06:49:38,174 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:38,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:38,174 INFO L85 PathProgramCache]: Analyzing trace with hash 619269324, now seen corresponding path program 1 times [2024-10-14 06:49:38,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:38,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247446845] [2024-10-14 06:49:38,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:38,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:38,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:38,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247446845] [2024-10-14 06:49:38,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247446845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:38,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:38,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 06:49:38,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781270117] [2024-10-14 06:49:38,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:38,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 06:49:38,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:38,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 06:49:38,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 06:49:38,891 INFO L87 Difference]: Start difference. First operand 1342 states and 1984 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 8 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:39,198 INFO L93 Difference]: Finished difference Result 2517 states and 3734 transitions. [2024-10-14 06:49:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 06:49:39,198 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 8 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-14 06:49:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:39,200 INFO L225 Difference]: With dead ends: 2517 [2024-10-14 06:49:39,200 INFO L226 Difference]: Without dead ends: 1358 [2024-10-14 06:49:39,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-14 06:49:39,201 INFO L432 NwaCegarLoop]: 1772 mSDtfsCounter, 2027 mSDsluCounter, 10629 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 12401 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:39,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 12401 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-10-14 06:49:39,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1345. [2024-10-14 06:49:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1344 states have (on average 1.4791666666666667) internal successors, (1988), 1344 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1988 transitions. [2024-10-14 06:49:39,212 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1988 transitions. Word has length 150 [2024-10-14 06:49:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:39,212 INFO L471 AbstractCegarLoop]: Abstraction has 1345 states and 1988 transitions. [2024-10-14 06:49:39,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 8 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1988 transitions. [2024-10-14 06:49:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 06:49:39,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:39,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:39,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 06:49:39,213 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:39,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:39,214 INFO L85 PathProgramCache]: Analyzing trace with hash -978404944, now seen corresponding path program 1 times [2024-10-14 06:49:39,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:39,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444933307] [2024-10-14 06:49:39,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:39,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:39,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444933307] [2024-10-14 06:49:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444933307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:39,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:39,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368471306] [2024-10-14 06:49:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:39,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:39,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:39,600 INFO L87 Difference]: Start difference. First operand 1345 states and 1988 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:39,721 INFO L93 Difference]: Finished difference Result 2519 states and 3736 transitions. [2024-10-14 06:49:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:39,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-14 06:49:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:39,723 INFO L225 Difference]: With dead ends: 2519 [2024-10-14 06:49:39,723 INFO L226 Difference]: Without dead ends: 1351 [2024-10-14 06:49:39,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:39,724 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2005 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:39,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:39,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-10-14 06:49:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1341. [2024-10-14 06:49:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1340 states have (on average 1.4783582089552239) internal successors, (1981), 1340 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1981 transitions. [2024-10-14 06:49:39,734 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1981 transitions. Word has length 150 [2024-10-14 06:49:39,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:39,735 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 1981 transitions. [2024-10-14 06:49:39,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1981 transitions. [2024-10-14 06:49:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 06:49:39,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:39,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:39,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 06:49:39,736 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:39,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:39,736 INFO L85 PathProgramCache]: Analyzing trace with hash -432483666, now seen corresponding path program 1 times [2024-10-14 06:49:39,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:39,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133227534] [2024-10-14 06:49:39,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:39,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:40,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:40,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133227534] [2024-10-14 06:49:40,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133227534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:40,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:40,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:40,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719526310] [2024-10-14 06:49:40,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:40,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:40,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:40,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:40,245 INFO L87 Difference]: Start difference. First operand 1341 states and 1981 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:40,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:40,425 INFO L93 Difference]: Finished difference Result 2510 states and 3722 transitions. [2024-10-14 06:49:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:40,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-14 06:49:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:40,427 INFO L225 Difference]: With dead ends: 2510 [2024-10-14 06:49:40,427 INFO L226 Difference]: Without dead ends: 1355 [2024-10-14 06:49:40,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:40,428 INFO L432 NwaCegarLoop]: 1776 mSDtfsCounter, 2008 mSDsluCounter, 5447 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:40,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 7223 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-10-14 06:49:40,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1343. [2024-10-14 06:49:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 1342 states have (on average 1.477645305514158) internal successors, (1983), 1342 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1983 transitions. [2024-10-14 06:49:40,438 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1983 transitions. Word has length 151 [2024-10-14 06:49:40,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:40,438 INFO L471 AbstractCegarLoop]: Abstraction has 1343 states and 1983 transitions. [2024-10-14 06:49:40,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1983 transitions. [2024-10-14 06:49:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 06:49:40,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:40,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:40,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 06:49:40,439 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:40,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1971574638, now seen corresponding path program 1 times [2024-10-14 06:49:40,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:40,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408396830] [2024-10-14 06:49:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:40,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:40,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:40,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408396830] [2024-10-14 06:49:40,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408396830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:40,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:40,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:40,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039209571] [2024-10-14 06:49:40,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:40,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:40,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:40,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:40,851 INFO L87 Difference]: Start difference. First operand 1343 states and 1983 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:40,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:40,989 INFO L93 Difference]: Finished difference Result 2516 states and 3729 transitions. [2024-10-14 06:49:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:40,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-14 06:49:40,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:40,994 INFO L225 Difference]: With dead ends: 2516 [2024-10-14 06:49:40,995 INFO L226 Difference]: Without dead ends: 1350 [2024-10-14 06:49:40,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:40,996 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 1996 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:40,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 5340 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:40,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-10-14 06:49:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1340. [2024-10-14 06:49:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1339 states have (on average 1.4772218073188947) internal successors, (1978), 1339 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1978 transitions. [2024-10-14 06:49:41,006 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1978 transitions. Word has length 151 [2024-10-14 06:49:41,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:41,006 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1978 transitions. [2024-10-14 06:49:41,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1978 transitions. [2024-10-14 06:49:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 06:49:41,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:41,007 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:41,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 06:49:41,007 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:41,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:41,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2022193595, now seen corresponding path program 1 times [2024-10-14 06:49:41,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:41,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307687995] [2024-10-14 06:49:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:41,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:41,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307687995] [2024-10-14 06:49:41,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307687995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:41,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:41,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 06:49:41,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802851191] [2024-10-14 06:49:41,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:41,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 06:49:41,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:41,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 06:49:41,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:49:41,393 INFO L87 Difference]: Start difference. First operand 1340 states and 1978 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:41,466 INFO L93 Difference]: Finished difference Result 2601 states and 3845 transitions. [2024-10-14 06:49:41,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 06:49:41,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2024-10-14 06:49:41,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:41,469 INFO L225 Difference]: With dead ends: 2601 [2024-10-14 06:49:41,469 INFO L226 Difference]: Without dead ends: 1450 [2024-10-14 06:49:41,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:49:41,471 INFO L432 NwaCegarLoop]: 1821 mSDtfsCounter, 41 mSDsluCounter, 7378 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 9199 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:41,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 9199 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:41,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2024-10-14 06:49:41,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1442. [2024-10-14 06:49:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1441 states have (on average 1.4698126301179737) internal successors, (2118), 1441 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2118 transitions. [2024-10-14 06:49:41,481 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2118 transitions. Word has length 152 [2024-10-14 06:49:41,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:41,482 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 2118 transitions. [2024-10-14 06:49:41,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2118 transitions. [2024-10-14 06:49:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 06:49:41,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:41,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:41,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 06:49:41,483 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:41,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:41,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1751169751, now seen corresponding path program 1 times [2024-10-14 06:49:41,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:41,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081594169] [2024-10-14 06:49:41,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:41,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:41,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:41,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081594169] [2024-10-14 06:49:41,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081594169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:41,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:41,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:41,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556356398] [2024-10-14 06:49:41,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:41,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:41,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:41,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:41,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:41,827 INFO L87 Difference]: Start difference. First operand 1442 states and 2118 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:41,944 INFO L93 Difference]: Finished difference Result 2674 states and 3951 transitions. [2024-10-14 06:49:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:41,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2024-10-14 06:49:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:41,947 INFO L225 Difference]: With dead ends: 2674 [2024-10-14 06:49:41,947 INFO L226 Difference]: Without dead ends: 1446 [2024-10-14 06:49:41,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:41,948 INFO L432 NwaCegarLoop]: 1779 mSDtfsCounter, 1987 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:41,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 5334 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-10-14 06:49:41,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1436. [2024-10-14 06:49:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1435 states have (on average 1.4689895470383276) internal successors, (2108), 1435 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2108 transitions. [2024-10-14 06:49:41,959 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2108 transitions. Word has length 152 [2024-10-14 06:49:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:41,960 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 2108 transitions. [2024-10-14 06:49:41,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2108 transitions. [2024-10-14 06:49:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 06:49:41,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:41,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:41,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 06:49:41,961 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:41,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash 854712801, now seen corresponding path program 1 times [2024-10-14 06:49:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119610353] [2024-10-14 06:49:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:42,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:42,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119610353] [2024-10-14 06:49:42,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119610353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:42,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:42,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:42,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369528034] [2024-10-14 06:49:42,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:42,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:42,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:42,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:42,302 INFO L87 Difference]: Start difference. First operand 1436 states and 2108 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:42,443 INFO L93 Difference]: Finished difference Result 2738 states and 4024 transitions. [2024-10-14 06:49:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:42,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2024-10-14 06:49:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:42,445 INFO L225 Difference]: With dead ends: 2738 [2024-10-14 06:49:42,445 INFO L226 Difference]: Without dead ends: 1443 [2024-10-14 06:49:42,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:42,446 INFO L432 NwaCegarLoop]: 1779 mSDtfsCounter, 2010 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:42,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 5334 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-10-14 06:49:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1433. [2024-10-14 06:49:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1432 states have (on average 1.4685754189944134) internal successors, (2103), 1432 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:42,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 2103 transitions. [2024-10-14 06:49:42,456 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 2103 transitions. Word has length 152 [2024-10-14 06:49:42,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:42,456 INFO L471 AbstractCegarLoop]: Abstraction has 1433 states and 2103 transitions. [2024-10-14 06:49:42,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2103 transitions. [2024-10-14 06:49:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 06:49:42,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:42,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:42,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 06:49:42,457 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:42,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:42,458 INFO L85 PathProgramCache]: Analyzing trace with hash -616235769, now seen corresponding path program 1 times [2024-10-14 06:49:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201766643] [2024-10-14 06:49:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:42,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:42,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201766643] [2024-10-14 06:49:42,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201766643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:42,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:42,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 06:49:42,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249700753] [2024-10-14 06:49:42,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:42,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 06:49:42,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:42,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 06:49:42,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:49:42,948 INFO L87 Difference]: Start difference. First operand 1433 states and 2103 transitions. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:43,035 INFO L93 Difference]: Finished difference Result 2676 states and 3953 transitions. [2024-10-14 06:49:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 06:49:43,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2024-10-14 06:49:43,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:43,038 INFO L225 Difference]: With dead ends: 2676 [2024-10-14 06:49:43,038 INFO L226 Difference]: Without dead ends: 1483 [2024-10-14 06:49:43,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:49:43,040 INFO L432 NwaCegarLoop]: 1798 mSDtfsCounter, 22 mSDsluCounter, 10779 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 12577 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:43,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 12577 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:43,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2024-10-14 06:49:43,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1475. [2024-10-14 06:49:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.4674355495251017) internal successors, (2163), 1474 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2163 transitions. [2024-10-14 06:49:43,052 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2163 transitions. Word has length 153 [2024-10-14 06:49:43,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:43,052 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 2163 transitions. [2024-10-14 06:49:43,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2163 transitions. [2024-10-14 06:49:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 06:49:43,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:43,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:43,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 06:49:43,053 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:43,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash 608625899, now seen corresponding path program 1 times [2024-10-14 06:49:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112155343] [2024-10-14 06:49:43,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:43,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:43,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:43,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112155343] [2024-10-14 06:49:43,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112155343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:43,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:43,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:43,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537692566] [2024-10-14 06:49:43,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:43,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:43,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:43,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:43,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:43,447 INFO L87 Difference]: Start difference. First operand 1475 states and 2163 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:43,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:43,562 INFO L93 Difference]: Finished difference Result 2744 states and 4049 transitions. [2024-10-14 06:49:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:43,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2024-10-14 06:49:43,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:43,564 INFO L225 Difference]: With dead ends: 2744 [2024-10-14 06:49:43,564 INFO L226 Difference]: Without dead ends: 1484 [2024-10-14 06:49:43,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:43,566 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 1974 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:43,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 5337 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:43,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2024-10-14 06:49:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1474. [2024-10-14 06:49:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1473 states have (on average 1.4663951120162932) internal successors, (2160), 1473 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2160 transitions. [2024-10-14 06:49:43,576 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2160 transitions. Word has length 153 [2024-10-14 06:49:43,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:43,577 INFO L471 AbstractCegarLoop]: Abstraction has 1474 states and 2160 transitions. [2024-10-14 06:49:43,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2160 transitions. [2024-10-14 06:49:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 06:49:43,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:43,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:43,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 06:49:43,578 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:43,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:43,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1256148506, now seen corresponding path program 1 times [2024-10-14 06:49:43,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:43,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658471616] [2024-10-14 06:49:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:43,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658471616] [2024-10-14 06:49:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658471616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:43,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:43,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:43,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074648756] [2024-10-14 06:49:43,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:43,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:43,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:43,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:43,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:43,967 INFO L87 Difference]: Start difference. First operand 1474 states and 2160 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:44,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:44,095 INFO L93 Difference]: Finished difference Result 2741 states and 4043 transitions. [2024-10-14 06:49:44,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:44,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2024-10-14 06:49:44,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:44,097 INFO L225 Difference]: With dead ends: 2741 [2024-10-14 06:49:44,097 INFO L226 Difference]: Without dead ends: 1446 [2024-10-14 06:49:44,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:44,098 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 1997 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:44,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 5337 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-10-14 06:49:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1436. [2024-10-14 06:49:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1435 states have (on average 1.473170731707317) internal successors, (2114), 1435 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2114 transitions. [2024-10-14 06:49:44,111 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2114 transitions. Word has length 153 [2024-10-14 06:49:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:44,111 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 2114 transitions. [2024-10-14 06:49:44,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2114 transitions. [2024-10-14 06:49:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 06:49:44,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:44,112 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:44,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 06:49:44,112 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:44,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:44,113 INFO L85 PathProgramCache]: Analyzing trace with hash 108556578, now seen corresponding path program 1 times [2024-10-14 06:49:44,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:44,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443244747] [2024-10-14 06:49:44,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:44,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:44,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443244747] [2024-10-14 06:49:44,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443244747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:44,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:44,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:44,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95940378] [2024-10-14 06:49:44,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:44,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:44,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:44,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:44,886 INFO L87 Difference]: Start difference. First operand 1436 states and 2114 transitions. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:45,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:45,097 INFO L93 Difference]: Finished difference Result 3603 states and 5331 transitions. [2024-10-14 06:49:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:45,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2024-10-14 06:49:45,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:45,099 INFO L225 Difference]: With dead ends: 3603 [2024-10-14 06:49:45,099 INFO L226 Difference]: Without dead ends: 2316 [2024-10-14 06:49:45,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:49:45,101 INFO L432 NwaCegarLoop]: 1773 mSDtfsCounter, 4547 mSDsluCounter, 7089 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 8862 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:45,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4547 Valid, 8862 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:45,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2024-10-14 06:49:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 1439. [2024-10-14 06:49:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1438 states have (on average 1.4714881780250348) internal successors, (2116), 1438 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2116 transitions. [2024-10-14 06:49:45,113 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2116 transitions. Word has length 154 [2024-10-14 06:49:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:45,113 INFO L471 AbstractCegarLoop]: Abstraction has 1439 states and 2116 transitions. [2024-10-14 06:49:45,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2116 transitions. [2024-10-14 06:49:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 06:49:45,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:45,114 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:45,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 06:49:45,114 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:45,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:45,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1713043225, now seen corresponding path program 1 times [2024-10-14 06:49:45,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:45,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366844212] [2024-10-14 06:49:45,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:45,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:45,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:45,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366844212] [2024-10-14 06:49:45,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366844212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:45,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:45,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:45,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386429410] [2024-10-14 06:49:45,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:45,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:45,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:45,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:45,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:45,594 INFO L87 Difference]: Start difference. First operand 1439 states and 2116 transitions. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:45,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:45,824 INFO L93 Difference]: Finished difference Result 3599 states and 5322 transitions. [2024-10-14 06:49:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:45,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2024-10-14 06:49:45,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:45,826 INFO L225 Difference]: With dead ends: 3599 [2024-10-14 06:49:45,826 INFO L226 Difference]: Without dead ends: 2320 [2024-10-14 06:49:45,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:45,828 INFO L432 NwaCegarLoop]: 1773 mSDtfsCounter, 4572 mSDsluCounter, 6700 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4572 SdHoareTripleChecker+Valid, 8473 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:45,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4572 Valid, 8473 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:45,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2024-10-14 06:49:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1441. [2024-10-14 06:49:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1440 states have (on average 1.4708333333333334) internal successors, (2118), 1440 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2118 transitions. [2024-10-14 06:49:45,840 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2118 transitions. Word has length 155 [2024-10-14 06:49:45,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:45,840 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 2118 transitions. [2024-10-14 06:49:45,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2118 transitions. [2024-10-14 06:49:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-14 06:49:45,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:45,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:45,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 06:49:45,841 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:45,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1389775995, now seen corresponding path program 1 times [2024-10-14 06:49:45,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:45,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989129217] [2024-10-14 06:49:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:46,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:46,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989129217] [2024-10-14 06:49:46,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989129217] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:46,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:46,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:46,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128901063] [2024-10-14 06:49:46,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:46,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:46,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:46,653 INFO L87 Difference]: Start difference. First operand 1441 states and 2118 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:46,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:46,874 INFO L93 Difference]: Finished difference Result 3573 states and 5293 transitions. [2024-10-14 06:49:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:46,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2024-10-14 06:49:46,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:46,876 INFO L225 Difference]: With dead ends: 3573 [2024-10-14 06:49:46,876 INFO L226 Difference]: Without dead ends: 2326 [2024-10-14 06:49:46,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:49:46,878 INFO L432 NwaCegarLoop]: 1771 mSDtfsCounter, 4486 mSDsluCounter, 7085 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 8856 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:46,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 8856 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:46,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2024-10-14 06:49:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 1445. [2024-10-14 06:49:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.4681440443213296) internal successors, (2120), 1444 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 2120 transitions. [2024-10-14 06:49:46,891 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 2120 transitions. Word has length 156 [2024-10-14 06:49:46,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:46,891 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 2120 transitions. [2024-10-14 06:49:46,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2120 transitions. [2024-10-14 06:49:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-14 06:49:46,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:46,892 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:46,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 06:49:46,892 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:46,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:46,893 INFO L85 PathProgramCache]: Analyzing trace with hash -439559357, now seen corresponding path program 1 times [2024-10-14 06:49:46,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:46,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987937006] [2024-10-14 06:49:46,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:47,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:47,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987937006] [2024-10-14 06:49:47,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987937006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:47,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:47,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:49:47,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519208083] [2024-10-14 06:49:47,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:47,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:47,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:47,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:47,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:47,520 INFO L87 Difference]: Start difference. First operand 1445 states and 2120 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:47,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:47,773 INFO L93 Difference]: Finished difference Result 3561 states and 5271 transitions. [2024-10-14 06:49:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:47,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2024-10-14 06:49:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:47,775 INFO L225 Difference]: With dead ends: 3561 [2024-10-14 06:49:47,775 INFO L226 Difference]: Without dead ends: 2328 [2024-10-14 06:49:47,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:49:47,777 INFO L432 NwaCegarLoop]: 1775 mSDtfsCounter, 4533 mSDsluCounter, 6703 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4533 SdHoareTripleChecker+Valid, 8478 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:47,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4533 Valid, 8478 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:49:47,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2024-10-14 06:49:47,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 1451. [2024-10-14 06:49:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1450 states have (on average 1.466206896551724) internal successors, (2126), 1450 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2126 transitions. [2024-10-14 06:49:47,790 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2126 transitions. Word has length 157 [2024-10-14 06:49:47,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:47,790 INFO L471 AbstractCegarLoop]: Abstraction has 1451 states and 2126 transitions. [2024-10-14 06:49:47,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2126 transitions. [2024-10-14 06:49:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-14 06:49:47,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:47,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:47,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 06:49:47,791 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:47,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:47,792 INFO L85 PathProgramCache]: Analyzing trace with hash 57617332, now seen corresponding path program 1 times [2024-10-14 06:49:47,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:47,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247181401] [2024-10-14 06:49:47,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:47,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:48,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:48,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247181401] [2024-10-14 06:49:48,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247181401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:48,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:48,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 06:49:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718376943] [2024-10-14 06:49:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:48,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 06:49:48,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 06:49:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:49:48,458 INFO L87 Difference]: Start difference. First operand 1451 states and 2126 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:48,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:48,642 INFO L93 Difference]: Finished difference Result 2665 states and 3935 transitions. [2024-10-14 06:49:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 06:49:48,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2024-10-14 06:49:48,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:48,643 INFO L225 Difference]: With dead ends: 2665 [2024-10-14 06:49:48,644 INFO L226 Difference]: Without dead ends: 1465 [2024-10-14 06:49:48,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 06:49:48,645 INFO L432 NwaCegarLoop]: 1777 mSDtfsCounter, 1824 mSDsluCounter, 5357 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 7134 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:48,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 7134 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:48,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-10-14 06:49:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1457. [2024-10-14 06:49:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1456 states have (on average 1.4656593406593406) internal successors, (2134), 1456 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2134 transitions. [2024-10-14 06:49:48,656 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2134 transitions. Word has length 158 [2024-10-14 06:49:48,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:48,657 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 2134 transitions. [2024-10-14 06:49:48,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2134 transitions. [2024-10-14 06:49:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-14 06:49:48,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:48,658 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:48,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 06:49:48,658 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:48,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:48,658 INFO L85 PathProgramCache]: Analyzing trace with hash -852274096, now seen corresponding path program 1 times [2024-10-14 06:49:48,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:48,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244395080] [2024-10-14 06:49:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:48,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:49,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244395080] [2024-10-14 06:49:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244395080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:49,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:49,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:49,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75232011] [2024-10-14 06:49:49,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:49,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:49,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:49,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:49,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:49,146 INFO L87 Difference]: Start difference. First operand 1457 states and 2134 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:49,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:49,299 INFO L93 Difference]: Finished difference Result 3533 states and 5230 transitions. [2024-10-14 06:49:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:49,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2024-10-14 06:49:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:49,301 INFO L225 Difference]: With dead ends: 3533 [2024-10-14 06:49:49,301 INFO L226 Difference]: Without dead ends: 2327 [2024-10-14 06:49:49,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:49,303 INFO L432 NwaCegarLoop]: 1777 mSDtfsCounter, 4506 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 5328 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:49,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 5328 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:49,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2024-10-14 06:49:49,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1454. [2024-10-14 06:49:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1453 states have (on average 1.4652443220922229) internal successors, (2129), 1453 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2129 transitions. [2024-10-14 06:49:49,315 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2129 transitions. Word has length 158 [2024-10-14 06:49:49,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:49,315 INFO L471 AbstractCegarLoop]: Abstraction has 1454 states and 2129 transitions. [2024-10-14 06:49:49,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:49,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2129 transitions. [2024-10-14 06:49:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-14 06:49:49,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:49,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:49,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-14 06:49:49,316 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:49,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:49,317 INFO L85 PathProgramCache]: Analyzing trace with hash 141399559, now seen corresponding path program 1 times [2024-10-14 06:49:49,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:49,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660258374] [2024-10-14 06:49:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:49,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:49,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660258374] [2024-10-14 06:49:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660258374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:49,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:49,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 06:49:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507512641] [2024-10-14 06:49:49,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:49,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:49:49,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:49,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:49:49,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:49,890 INFO L87 Difference]: Start difference. First operand 1454 states and 2129 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:49,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:49,951 INFO L93 Difference]: Finished difference Result 2658 states and 3924 transitions. [2024-10-14 06:49:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:49:49,951 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2024-10-14 06:49:49,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:49,953 INFO L225 Difference]: With dead ends: 2658 [2024-10-14 06:49:49,953 INFO L226 Difference]: Without dead ends: 1458 [2024-10-14 06:49:49,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:49,954 INFO L432 NwaCegarLoop]: 1800 mSDtfsCounter, 16 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 10771 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:49,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 10771 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:49:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-10-14 06:49:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1456. [2024-10-14 06:49:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1455 states have (on average 1.4646048109965635) internal successors, (2131), 1455 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2131 transitions. [2024-10-14 06:49:49,965 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2131 transitions. Word has length 159 [2024-10-14 06:49:49,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:49,965 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 2131 transitions. [2024-10-14 06:49:49,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2131 transitions. [2024-10-14 06:49:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-14 06:49:49,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:49,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:49,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-14 06:49:49,966 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:49,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:49,966 INFO L85 PathProgramCache]: Analyzing trace with hash -954518109, now seen corresponding path program 1 times [2024-10-14 06:49:49,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:49,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005022658] [2024-10-14 06:49:49,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:50,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:50,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005022658] [2024-10-14 06:49:50,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005022658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:50,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:50,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:49:50,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185940752] [2024-10-14 06:49:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:50,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:49:50,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:50,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:49:50,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:49:50,334 INFO L87 Difference]: Start difference. First operand 1456 states and 2131 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:50,499 INFO L93 Difference]: Finished difference Result 3530 states and 5223 transitions. [2024-10-14 06:49:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:49:50,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2024-10-14 06:49:50,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:50,502 INFO L225 Difference]: With dead ends: 3530 [2024-10-14 06:49:50,502 INFO L226 Difference]: Without dead ends: 2328 [2024-10-14 06:49:50,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:49:50,504 INFO L432 NwaCegarLoop]: 1777 mSDtfsCounter, 4497 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 5328 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:50,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 5328 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2024-10-14 06:49:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 1456. [2024-10-14 06:49:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1455 states have (on average 1.4639175257731958) internal successors, (2130), 1455 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2130 transitions. [2024-10-14 06:49:50,519 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2130 transitions. Word has length 159 [2024-10-14 06:49:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:50,521 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 2130 transitions. [2024-10-14 06:49:50,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2130 transitions. [2024-10-14 06:49:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-14 06:49:50,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:50,522 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:50,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 06:49:50,522 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:50,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1287266757, now seen corresponding path program 1 times [2024-10-14 06:49:50,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221806461] [2024-10-14 06:49:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:50,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:50,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221806461] [2024-10-14 06:49:50,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221806461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:50,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:50,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 06:49:50,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230132126] [2024-10-14 06:49:50,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:50,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 06:49:50,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:50,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 06:49:50,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 06:49:50,796 INFO L87 Difference]: Start difference. First operand 1456 states and 2130 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:50,818 INFO L93 Difference]: Finished difference Result 2658 states and 3921 transitions. [2024-10-14 06:49:50,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 06:49:50,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2024-10-14 06:49:50,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:50,820 INFO L225 Difference]: With dead ends: 2658 [2024-10-14 06:49:50,820 INFO L226 Difference]: Without dead ends: 1456 [2024-10-14 06:49:50,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 06:49:50,822 INFO L432 NwaCegarLoop]: 1806 mSDtfsCounter, 1 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3610 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:50,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3610 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:49:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-10-14 06:49:50,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1456. [2024-10-14 06:49:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1455 states have (on average 1.463230240549828) internal successors, (2129), 1455 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2129 transitions. [2024-10-14 06:49:50,832 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2129 transitions. Word has length 160 [2024-10-14 06:49:50,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:50,833 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 2129 transitions. [2024-10-14 06:49:50,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2129 transitions. [2024-10-14 06:49:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-14 06:49:50,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:50,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:50,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-14 06:49:50,834 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:50,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:50,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1328630569, now seen corresponding path program 1 times [2024-10-14 06:49:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:50,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055328404] [2024-10-14 06:49:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:50,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:51,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:51,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055328404] [2024-10-14 06:49:51,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055328404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:51,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:51,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 06:49:51,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364559906] [2024-10-14 06:49:51,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:51,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 06:49:51,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:51,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 06:49:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-10-14 06:49:51,794 INFO L87 Difference]: Start difference. First operand 1456 states and 2129 transitions. Second operand has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:51,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:51,977 INFO L93 Difference]: Finished difference Result 2673 states and 3942 transitions. [2024-10-14 06:49:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 06:49:51,978 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2024-10-14 06:49:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:51,979 INFO L225 Difference]: With dead ends: 2673 [2024-10-14 06:49:51,979 INFO L226 Difference]: Without dead ends: 1471 [2024-10-14 06:49:51,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-10-14 06:49:51,981 INFO L432 NwaCegarLoop]: 1793 mSDtfsCounter, 5 mSDsluCounter, 17896 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 19689 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:51,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 19689 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:49:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-10-14 06:49:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1468. [2024-10-14 06:49:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1467 states have (on average 1.4642126789366052) internal successors, (2148), 1467 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:51,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2148 transitions. [2024-10-14 06:49:51,992 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2148 transitions. Word has length 160 [2024-10-14 06:49:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:51,992 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 2148 transitions. [2024-10-14 06:49:51,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2148 transitions. [2024-10-14 06:49:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-14 06:49:51,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:51,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:51,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-14 06:49:51,993 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:51,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash 788508682, now seen corresponding path program 1 times [2024-10-14 06:49:51,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:51,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982591506] [2024-10-14 06:49:51,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:51,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:54,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:54,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982591506] [2024-10-14 06:49:54,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982591506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:54,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:54,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2024-10-14 06:49:54,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756333018] [2024-10-14 06:49:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:54,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-14 06:49:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:54,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-14 06:49:54,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=1120, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 06:49:54,280 INFO L87 Difference]: Start difference. First operand 1468 states and 2148 transitions. Second operand has 35 states, 35 states have (on average 4.6) internal successors, (161), 35 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:55,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:55,499 INFO L93 Difference]: Finished difference Result 2822 states and 4157 transitions. [2024-10-14 06:49:55,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-14 06:49:55,500 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 4.6) internal successors, (161), 35 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2024-10-14 06:49:55,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:55,502 INFO L225 Difference]: With dead ends: 2822 [2024-10-14 06:49:55,502 INFO L226 Difference]: Without dead ends: 1565 [2024-10-14 06:49:55,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=1120, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 06:49:55,503 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 29 mSDsluCounter, 58663 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 60444 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:55,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 60444 Invalid, 2636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 06:49:55,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-10-14 06:49:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1546. [2024-10-14 06:49:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1545 states have (on average 1.4711974110032362) internal successors, (2273), 1545 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2273 transitions. [2024-10-14 06:49:55,513 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2273 transitions. Word has length 161 [2024-10-14 06:49:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:55,514 INFO L471 AbstractCegarLoop]: Abstraction has 1546 states and 2273 transitions. [2024-10-14 06:49:55,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.6) internal successors, (161), 35 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2273 transitions. [2024-10-14 06:49:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-14 06:49:55,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:55,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:55,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-14 06:49:55,515 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:55,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash 886613955, now seen corresponding path program 1 times [2024-10-14 06:49:55,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:55,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250616841] [2024-10-14 06:49:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:55,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:49:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:49:57,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:49:57,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250616841] [2024-10-14 06:49:57,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250616841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:49:57,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:49:57,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-10-14 06:49:57,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478531849] [2024-10-14 06:49:57,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:49:57,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 06:49:57,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:49:57,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 06:49:57,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-10-14 06:49:57,077 INFO L87 Difference]: Start difference. First operand 1546 states and 2273 transitions. Second operand has 26 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 25 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:49:58,047 INFO L93 Difference]: Finished difference Result 2880 states and 4260 transitions. [2024-10-14 06:49:58,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 06:49:58,047 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 25 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2024-10-14 06:49:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:49:58,049 INFO L225 Difference]: With dead ends: 2880 [2024-10-14 06:49:58,049 INFO L226 Difference]: Without dead ends: 1550 [2024-10-14 06:49:58,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=203, Invalid=2053, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 06:49:58,052 INFO L432 NwaCegarLoop]: 1755 mSDtfsCounter, 1944 mSDsluCounter, 31830 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 33585 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 06:49:58,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 33585 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 06:49:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2024-10-14 06:49:58,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1547. [2024-10-14 06:49:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1546 states have (on average 1.4708926261319535) internal successors, (2274), 1546 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2274 transitions. [2024-10-14 06:49:58,063 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2274 transitions. Word has length 161 [2024-10-14 06:49:58,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:49:58,064 INFO L471 AbstractCegarLoop]: Abstraction has 1547 states and 2274 transitions. [2024-10-14 06:49:58,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 25 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:49:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2274 transitions. [2024-10-14 06:49:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-14 06:49:58,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:49:58,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:58,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-14 06:49:58,065 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:49:58,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:49:58,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1051487206, now seen corresponding path program 1 times [2024-10-14 06:49:58,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:49:58,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867953898] [2024-10-14 06:49:58,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:49:58,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:49:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 06:49:58,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 06:49:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 06:49:58,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 06:49:58,510 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 06:49:58,511 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 06:49:58,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-14 06:49:58,515 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:49:58,630 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 06:49:58,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:49:58 BoogieIcfgContainer [2024-10-14 06:49:58,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 06:49:58,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 06:49:58,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 06:49:58,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 06:49:58,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:49:14" (3/4) ... [2024-10-14 06:49:58,636 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 06:49:58,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 06:49:58,637 INFO L158 Benchmark]: Toolchain (without parser) took 50025.77ms. Allocated memory was 201.3MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 129.5MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 282.3MB. Max. memory is 16.1GB. [2024-10-14 06:49:58,637 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 166.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 06:49:58,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.25ms. Allocated memory is still 201.3MB. Free memory was 129.2MB in the beginning and 98.0MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-14 06:49:58,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 421.23ms. Allocated memory was 201.3MB in the beginning and 299.9MB in the end (delta: 98.6MB). Free memory was 98.0MB in the beginning and 197.1MB in the end (delta: -99.1MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2024-10-14 06:49:58,638 INFO L158 Benchmark]: Boogie Preprocessor took 485.58ms. Allocated memory is still 299.9MB. Free memory was 197.1MB in the beginning and 138.4MB in the end (delta: 58.7MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-10-14 06:49:58,638 INFO L158 Benchmark]: RCFGBuilder took 3750.27ms. Allocated memory was 299.9MB in the beginning and 599.8MB in the end (delta: 299.9MB). Free memory was 138.4MB in the beginning and 416.3MB in the end (delta: -277.9MB). Peak memory consumption was 295.7MB. Max. memory is 16.1GB. [2024-10-14 06:49:58,639 INFO L158 Benchmark]: TraceAbstraction took 44610.10ms. Allocated memory was 599.8MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 415.2MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB. [2024-10-14 06:49:58,639 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 2.3GB. Free memory is still 1.9GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 06:49:58,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 166.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.25ms. Allocated memory is still 201.3MB. Free memory was 129.2MB in the beginning and 98.0MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 421.23ms. Allocated memory was 201.3MB in the beginning and 299.9MB in the end (delta: 98.6MB). Free memory was 98.0MB in the beginning and 197.1MB in the end (delta: -99.1MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 485.58ms. Allocated memory is still 299.9MB. Free memory was 197.1MB in the beginning and 138.4MB in the end (delta: 58.7MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3750.27ms. Allocated memory was 299.9MB in the beginning and 599.8MB in the end (delta: 299.9MB). Free memory was 138.4MB in the beginning and 416.3MB in the end (delta: -277.9MB). Peak memory consumption was 295.7MB. Max. memory is 16.1GB. * TraceAbstraction took 44610.10ms. Allocated memory was 599.8MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 415.2MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 2.3GB. Free memory is still 1.9GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 531, overapproximation of bitwiseAnd at line 539. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L38] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L39] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L41] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L42] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L44] const SORT_21 var_22 = 1; [L45] const SORT_21 var_26 = 2; [L46] const SORT_21 var_29 = 4; [L47] const SORT_21 var_32 = 8; [L48] const SORT_21 var_35 = 16; [L49] const SORT_21 var_38 = 32; [L50] const SORT_21 var_41 = 64; [L51] const SORT_21 var_44 = 0; [L52] const SORT_3 var_101 = 1; [L53] const SORT_3 var_105 = 0; [L54] const SORT_6 var_190 = 0; [L56] SORT_1 input_2; [L57] SORT_3 input_4; [L58] SORT_3 input_5; [L59] SORT_6 input_7; [L60] SORT_3 input_8; [L61] SORT_3 input_9; [L62] SORT_3 input_10; [L63] SORT_3 input_11; [L64] SORT_12 input_13; [L65] SORT_3 input_14; [L66] SORT_3 input_15; [L67] SORT_16 input_17; [L68] SORT_3 input_18; [L69] SORT_3 input_19; [L70] SORT_3 input_20; [L71] SORT_3 input_412; [L72] SORT_3 input_434; [L73] SORT_3 input_449; [L74] SORT_3 input_464; [L75] SORT_3 input_479; [L76] SORT_3 input_494; [L77] SORT_3 input_509; [L78] SORT_3 input_524; [L79] SORT_3 input_539; [L80] SORT_3 input_554; [L81] SORT_3 input_569; [L82] SORT_3 input_584; [L83] SORT_3 input_599; [L84] SORT_3 input_614; [L85] SORT_3 input_629; [L86] SORT_3 input_644; [L87] SORT_3 input_660; [L88] SORT_3 input_662; [L89] SORT_3 input_664; [L90] SORT_3 input_666; [L91] SORT_3 input_668; [L92] SORT_3 input_670; [L93] SORT_3 input_672; [L94] SORT_3 input_674; [L95] SORT_3 input_679; [L96] SORT_21 input_724; [L97] SORT_21 input_725; [L98] SORT_21 input_726; [L99] SORT_21 input_727; [L100] SORT_21 input_730; [L101] SORT_21 input_734; [L102] SORT_21 input_738; [L103] SORT_21 input_746; [L104] SORT_21 input_750; [L105] SORT_21 input_752; [L106] SORT_21 input_756; [L107] SORT_21 input_759; [L108] SORT_21 input_763; [L109] SORT_21 input_768; [L110] SORT_21 input_772; [L111] SORT_21 input_777; [L112] SORT_21 input_779; [L113] SORT_21 input_780; [L114] SORT_21 input_782; [L115] SORT_21 input_786; [L116] SORT_21 input_791; [L117] SORT_21 input_798; [L118] SORT_21 input_799; [L119] SORT_21 input_801; [L120] SORT_21 input_805; [L121] SORT_21 input_810; [L122] SORT_21 input_812; [L123] SORT_21 input_813; [L124] SORT_21 input_815; [L125] SORT_21 input_819; [L126] SORT_21 input_824; [L127] SORT_21 input_828; [L128] SORT_21 input_833; [L129] SORT_21 input_835; [L130] SORT_21 input_841; [L131] SORT_21 input_853; [L132] SORT_3 input_858; [L133] SORT_3 input_867; [L134] SORT_3 input_886; [L135] SORT_3 input_893; [L136] SORT_3 input_904; [L137] SORT_3 input_910; [L138] SORT_3 input_916; [L139] SORT_3 input_922; [L140] SORT_3 input_928; [L141] SORT_3 input_934; [L142] SORT_3 input_940; [L143] SORT_3 input_946; [L144] SORT_3 input_952; [L145] SORT_3 input_958; [L146] SORT_3 input_964; [L147] SORT_3 input_970; [L148] SORT_3 input_976; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L150] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L151] SORT_21 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L152] SORT_3 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L153] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L154] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L155] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L156] SORT_3 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L157] SORT_3 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L158] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L159] SORT_3 state_155 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L160] SORT_3 state_158 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L161] SORT_3 state_160 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L162] SORT_3 state_164 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L163] SORT_3 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L164] SORT_3 state_173 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L165] SORT_3 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L166] SORT_3 state_186 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L167] SORT_3 state_193 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L168] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L169] SORT_3 state_205 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L170] SORT_3 state_210 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L171] SORT_3 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L172] SORT_3 state_225 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L173] SORT_3 state_235 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L174] SORT_3 state_240 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L175] SORT_3 state_243 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L176] SORT_3 state_252 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L177] SORT_3 state_265 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L178] SORT_3 state_278 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] SORT_21 init_24_arg_1 = var_22; [L181] state_23 = init_24_arg_1 [L182] SORT_21 init_52_arg_1 = var_22; [L183] state_51 = init_52_arg_1 [L184] SORT_3 init_107_arg_1 = var_105; [L185] state_106 = init_107_arg_1 [L186] SORT_3 init_109_arg_1 = var_105; [L187] state_108 = init_109_arg_1 [L188] SORT_3 init_111_arg_1 = var_105; [L189] state_110 = init_111_arg_1 [L190] SORT_3 init_115_arg_1 = var_105; [L191] state_114 = init_115_arg_1 [L192] SORT_3 init_119_arg_1 = var_105; [L193] state_118 = init_119_arg_1 [L194] SORT_3 init_123_arg_1 = var_105; [L195] state_122 = init_123_arg_1 [L196] SORT_3 init_139_arg_1 = var_105; [L197] state_138 = init_139_arg_1 [L198] SORT_3 init_156_arg_1 = var_105; [L199] state_155 = init_156_arg_1 [L200] SORT_3 init_159_arg_1 = var_105; [L201] state_158 = init_159_arg_1 [L202] SORT_3 init_161_arg_1 = var_105; [L203] state_160 = init_161_arg_1 [L204] SORT_3 init_165_arg_1 = var_105; [L205] state_164 = init_165_arg_1 [L206] SORT_3 init_169_arg_1 = var_105; [L207] state_168 = init_169_arg_1 [L208] SORT_3 init_174_arg_1 = var_105; [L209] state_173 = init_174_arg_1 [L210] SORT_3 init_177_arg_1 = var_105; [L211] state_176 = init_177_arg_1 [L212] SORT_3 init_187_arg_1 = var_105; [L213] state_186 = init_187_arg_1 [L214] SORT_3 init_194_arg_1 = var_105; [L215] state_193 = init_194_arg_1 [L216] SORT_3 init_197_arg_1 = var_105; [L217] state_196 = init_197_arg_1 [L218] SORT_3 init_206_arg_1 = var_105; [L219] state_205 = init_206_arg_1 [L220] SORT_3 init_211_arg_1 = var_105; [L221] state_210 = init_211_arg_1 [L222] SORT_3 init_214_arg_1 = var_105; [L223] state_213 = init_214_arg_1 [L224] SORT_3 init_226_arg_1 = var_105; [L225] state_225 = init_226_arg_1 [L226] SORT_3 init_236_arg_1 = var_105; [L227] state_235 = init_236_arg_1 [L228] SORT_3 init_241_arg_1 = var_105; [L229] state_240 = init_241_arg_1 [L230] SORT_3 init_244_arg_1 = var_105; [L231] state_243 = init_244_arg_1 [L232] SORT_3 init_253_arg_1 = var_105; [L233] state_252 = init_253_arg_1 [L234] SORT_3 init_266_arg_1 = var_105; [L235] state_265 = init_266_arg_1 [L236] SORT_3 init_279_arg_1 = var_105; [L237] state_278 = init_279_arg_1 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L240] input_2 = __VERIFIER_nondet_uchar() [L241] input_4 = __VERIFIER_nondet_uchar() [L242] input_5 = __VERIFIER_nondet_uchar() [L243] input_7 = __VERIFIER_nondet_uchar() [L244] EXPR input_7 & mask_SORT_6 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L244] input_7 = input_7 & mask_SORT_6 [L245] input_8 = __VERIFIER_nondet_uchar() [L246] input_9 = __VERIFIER_nondet_uchar() [L247] input_10 = __VERIFIER_nondet_uchar() [L248] input_11 = __VERIFIER_nondet_uchar() [L249] input_13 = __VERIFIER_nondet_uchar() [L250] input_14 = __VERIFIER_nondet_uchar() [L251] input_15 = __VERIFIER_nondet_uchar() [L252] input_17 = __VERIFIER_nondet_uchar() [L253] input_18 = __VERIFIER_nondet_uchar() [L254] input_19 = __VERIFIER_nondet_uchar() [L255] input_20 = __VERIFIER_nondet_uchar() [L256] input_412 = __VERIFIER_nondet_uchar() [L257] input_434 = __VERIFIER_nondet_uchar() [L258] input_449 = __VERIFIER_nondet_uchar() [L259] input_464 = __VERIFIER_nondet_uchar() [L260] input_479 = __VERIFIER_nondet_uchar() [L261] input_494 = __VERIFIER_nondet_uchar() [L262] input_509 = __VERIFIER_nondet_uchar() [L263] input_524 = __VERIFIER_nondet_uchar() [L264] input_539 = __VERIFIER_nondet_uchar() [L265] input_554 = __VERIFIER_nondet_uchar() [L266] input_569 = __VERIFIER_nondet_uchar() [L267] input_584 = __VERIFIER_nondet_uchar() [L268] input_599 = __VERIFIER_nondet_uchar() [L269] input_614 = __VERIFIER_nondet_uchar() [L270] input_629 = __VERIFIER_nondet_uchar() [L271] input_644 = __VERIFIER_nondet_uchar() [L272] input_660 = __VERIFIER_nondet_uchar() [L273] input_662 = __VERIFIER_nondet_uchar() [L274] input_664 = __VERIFIER_nondet_uchar() [L275] input_666 = __VERIFIER_nondet_uchar() [L276] input_668 = __VERIFIER_nondet_uchar() [L277] input_670 = __VERIFIER_nondet_uchar() [L278] input_672 = __VERIFIER_nondet_uchar() [L279] input_674 = __VERIFIER_nondet_uchar() [L280] input_679 = __VERIFIER_nondet_uchar() [L281] input_724 = __VERIFIER_nondet_uchar() [L282] input_725 = __VERIFIER_nondet_uchar() [L283] input_726 = __VERIFIER_nondet_uchar() [L284] input_727 = __VERIFIER_nondet_uchar() [L285] input_730 = __VERIFIER_nondet_uchar() [L286] input_734 = __VERIFIER_nondet_uchar() [L287] input_738 = __VERIFIER_nondet_uchar() [L288] input_746 = __VERIFIER_nondet_uchar() [L289] input_750 = __VERIFIER_nondet_uchar() [L290] input_752 = __VERIFIER_nondet_uchar() [L291] input_756 = __VERIFIER_nondet_uchar() [L292] input_759 = __VERIFIER_nondet_uchar() [L293] input_763 = __VERIFIER_nondet_uchar() [L294] input_768 = __VERIFIER_nondet_uchar() [L295] input_772 = __VERIFIER_nondet_uchar() [L296] input_777 = __VERIFIER_nondet_uchar() [L297] input_779 = __VERIFIER_nondet_uchar() [L298] input_780 = __VERIFIER_nondet_uchar() [L299] input_782 = __VERIFIER_nondet_uchar() [L300] input_786 = __VERIFIER_nondet_uchar() [L301] input_791 = __VERIFIER_nondet_uchar() [L302] input_798 = __VERIFIER_nondet_uchar() [L303] input_799 = __VERIFIER_nondet_uchar() [L304] input_801 = __VERIFIER_nondet_uchar() [L305] input_805 = __VERIFIER_nondet_uchar() [L306] input_810 = __VERIFIER_nondet_uchar() [L307] input_812 = __VERIFIER_nondet_uchar() [L308] input_813 = __VERIFIER_nondet_uchar() [L309] input_815 = __VERIFIER_nondet_uchar() [L310] input_819 = __VERIFIER_nondet_uchar() [L311] input_824 = __VERIFIER_nondet_uchar() [L312] input_828 = __VERIFIER_nondet_uchar() [L313] input_833 = __VERIFIER_nondet_uchar() [L314] input_835 = __VERIFIER_nondet_uchar() [L315] input_841 = __VERIFIER_nondet_uchar() [L316] input_853 = __VERIFIER_nondet_uchar() [L317] input_858 = __VERIFIER_nondet_uchar() [L318] input_867 = __VERIFIER_nondet_uchar() [L319] input_886 = __VERIFIER_nondet_uchar() [L320] input_893 = __VERIFIER_nondet_uchar() [L321] input_904 = __VERIFIER_nondet_uchar() [L322] input_910 = __VERIFIER_nondet_uchar() [L323] input_916 = __VERIFIER_nondet_uchar() [L324] input_922 = __VERIFIER_nondet_uchar() [L325] input_928 = __VERIFIER_nondet_uchar() [L326] input_934 = __VERIFIER_nondet_uchar() [L327] input_940 = __VERIFIER_nondet_uchar() [L328] input_946 = __VERIFIER_nondet_uchar() [L329] input_952 = __VERIFIER_nondet_uchar() [L330] input_958 = __VERIFIER_nondet_uchar() [L331] input_964 = __VERIFIER_nondet_uchar() [L332] input_970 = __VERIFIER_nondet_uchar() [L333] input_976 = __VERIFIER_nondet_uchar() [L336] SORT_21 var_25_arg_0 = state_23; [L337] SORT_21 var_25_arg_1 = var_22; [L338] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L339] SORT_21 var_27_arg_0 = state_23; [L340] SORT_21 var_27_arg_1 = var_26; [L341] SORT_3 var_27 = var_27_arg_0 == var_27_arg_1; [L342] SORT_3 var_28_arg_0 = var_25; [L343] SORT_3 var_28_arg_1 = var_27; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_28_arg_0=1, var_28_arg_1=0, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L344] EXPR var_28_arg_0 | var_28_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L344] SORT_3 var_28 = var_28_arg_0 | var_28_arg_1; [L345] SORT_21 var_30_arg_0 = state_23; [L346] SORT_21 var_30_arg_1 = var_29; [L347] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L348] SORT_3 var_31_arg_0 = var_28; [L349] SORT_3 var_31_arg_1 = var_30; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_31_arg_0=1, var_31_arg_1=0, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L350] EXPR var_31_arg_0 | var_31_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L350] SORT_3 var_31 = var_31_arg_0 | var_31_arg_1; [L351] SORT_21 var_33_arg_0 = state_23; [L352] SORT_21 var_33_arg_1 = var_32; [L353] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L354] SORT_3 var_34_arg_0 = var_31; [L355] SORT_3 var_34_arg_1 = var_33; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_34_arg_0=1, var_34_arg_1=0, var_35=16, var_38=32, var_41=64, var_44=0] [L356] EXPR var_34_arg_0 | var_34_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L356] SORT_3 var_34 = var_34_arg_0 | var_34_arg_1; [L357] SORT_21 var_36_arg_0 = state_23; [L358] SORT_21 var_36_arg_1 = var_35; [L359] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L360] SORT_3 var_37_arg_0 = var_34; [L361] SORT_3 var_37_arg_1 = var_36; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_37_arg_0=1, var_37_arg_1=0, var_38=32, var_41=64, var_44=0] [L362] EXPR var_37_arg_0 | var_37_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L362] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L363] SORT_21 var_39_arg_0 = state_23; [L364] SORT_21 var_39_arg_1 = var_38; [L365] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L366] SORT_3 var_40_arg_0 = var_37; [L367] SORT_3 var_40_arg_1 = var_39; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_40_arg_0=1, var_40_arg_1=0, var_41=64, var_44=0] [L368] EXPR var_40_arg_0 | var_40_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L368] SORT_3 var_40 = var_40_arg_0 | var_40_arg_1; [L369] SORT_21 var_42_arg_0 = state_23; [L370] SORT_21 var_42_arg_1 = var_41; [L371] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L372] SORT_3 var_43_arg_0 = var_40; [L373] SORT_3 var_43_arg_1 = var_42; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_43_arg_0=1, var_43_arg_1=0, var_44=0] [L374] EXPR var_43_arg_0 | var_43_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L374] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L375] SORT_21 var_45_arg_0 = state_23; [L376] SORT_21 var_45_arg_1 = var_44; [L377] SORT_3 var_45 = var_45_arg_0 == var_45_arg_1; [L378] SORT_3 var_46_arg_0 = var_43; [L379] SORT_3 var_46_arg_1 = var_45; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46_arg_0=1, var_46_arg_1=0] [L380] EXPR var_46_arg_0 | var_46_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L380] SORT_3 var_46 = var_46_arg_0 | var_46_arg_1; [L381] SORT_21 var_47_arg_0 = state_23; [L382] SORT_21 var_47_arg_1 = var_22; [L383] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L384] SORT_21 var_48_arg_0 = state_23; [L385] SORT_21 var_48_arg_1 = var_26; [L386] SORT_3 var_48 = var_48_arg_0 == var_48_arg_1; [L387] SORT_3 var_49_arg_0 = var_47; [L388] SORT_3 var_49_arg_1 = var_48; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49_arg_0=1, var_49_arg_1=0] [L389] EXPR var_49_arg_0 | var_49_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L389] SORT_3 var_49 = var_49_arg_0 | var_49_arg_1; [L390] SORT_21 var_50_arg_0 = state_23; [L391] SORT_21 var_50_arg_1 = var_29; [L392] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L393] SORT_21 var_53_arg_0 = state_51; [L394] SORT_21 var_53_arg_1 = var_32; [L395] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L396] SORT_21 var_54_arg_0 = state_51; [L397] SORT_21 var_54_arg_1 = var_22; [L398] SORT_3 var_54 = var_54_arg_0 == var_54_arg_1; [L399] SORT_3 var_55_arg_0 = var_53; [L400] SORT_3 var_55_arg_1 = var_54; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_50=0, var_55_arg_0=0, var_55_arg_1=1] [L401] EXPR var_55_arg_0 | var_55_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_50=0] [L401] SORT_3 var_55 = var_55_arg_0 | var_55_arg_1; [L402] SORT_21 var_56_arg_0 = state_51; [L403] SORT_21 var_56_arg_1 = var_44; [L404] SORT_3 var_56 = var_56_arg_0 == var_56_arg_1; [L405] SORT_3 var_57_arg_0 = var_55; [L406] SORT_3 var_57_arg_1 = var_56; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_50=0, var_57_arg_0=1, var_57_arg_1=0] [L407] EXPR var_57_arg_0 | var_57_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_50=0] [L407] SORT_3 var_57 = var_57_arg_0 | var_57_arg_1; [L408] SORT_21 var_58_arg_0 = state_51; [L409] SORT_21 var_58_arg_1 = var_29; [L410] SORT_3 var_58 = var_58_arg_0 == var_58_arg_1; [L411] SORT_3 var_59_arg_0 = var_57; [L412] SORT_3 var_59_arg_1 = var_58; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_50=0, var_59_arg_0=1, var_59_arg_1=0] [L413] EXPR var_59_arg_0 | var_59_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_50=0] [L413] SORT_3 var_59 = var_59_arg_0 | var_59_arg_1; [L414] SORT_3 var_60_arg_0 = var_50; [L415] SORT_3 var_60_arg_1 = var_59; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1, var_60_arg_0=0, var_60_arg_1=1] [L416] EXPR var_60_arg_0 & var_60_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_49=1] [L416] SORT_3 var_60 = var_60_arg_0 & var_60_arg_1; [L417] SORT_3 var_61_arg_0 = var_49; [L418] SORT_3 var_61_arg_1 = var_60; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_61_arg_0=1, var_61_arg_1=0] [L419] EXPR var_61_arg_0 | var_61_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L419] SORT_3 var_61 = var_61_arg_0 | var_61_arg_1; [L420] SORT_21 var_62_arg_0 = state_23; [L421] SORT_21 var_62_arg_1 = var_32; [L422] SORT_3 var_62 = var_62_arg_0 == var_62_arg_1; [L423] SORT_3 var_63_arg_0 = var_61; [L424] SORT_3 var_63_arg_1 = var_62; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_63_arg_0=1, var_63_arg_1=0] [L425] EXPR var_63_arg_0 | var_63_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L425] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L426] SORT_21 var_64_arg_0 = state_23; [L427] SORT_21 var_64_arg_1 = var_35; [L428] SORT_3 var_64 = var_64_arg_0 == var_64_arg_1; [L429] SORT_3 var_65_arg_0 = var_63; [L430] SORT_3 var_65_arg_1 = var_64; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_65_arg_0=1, var_65_arg_1=0] [L431] EXPR var_65_arg_0 | var_65_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L431] SORT_3 var_65 = var_65_arg_0 | var_65_arg_1; [L432] SORT_21 var_66_arg_0 = state_23; [L433] SORT_21 var_66_arg_1 = var_38; [L434] SORT_3 var_66 = var_66_arg_0 == var_66_arg_1; [L435] SORT_3 var_67_arg_0 = var_65; [L436] SORT_3 var_67_arg_1 = var_66; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_67_arg_0=1, var_67_arg_1=0] [L437] EXPR var_67_arg_0 | var_67_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L437] SORT_3 var_67 = var_67_arg_0 | var_67_arg_1; [L438] SORT_21 var_68_arg_0 = state_23; [L439] SORT_21 var_68_arg_1 = var_41; [L440] SORT_3 var_68 = var_68_arg_0 == var_68_arg_1; [L441] SORT_3 var_69_arg_0 = var_67; [L442] SORT_3 var_69_arg_1 = var_68; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_69_arg_0=1, var_69_arg_1=0] [L443] EXPR var_69_arg_0 | var_69_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L443] SORT_3 var_69 = var_69_arg_0 | var_69_arg_1; [L444] SORT_21 var_70_arg_0 = state_23; [L445] SORT_21 var_70_arg_1 = var_44; [L446] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L447] SORT_3 var_71_arg_0 = var_69; [L448] SORT_3 var_71_arg_1 = var_70; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1, var_71_arg_0=1, var_71_arg_1=0] [L449] EXPR var_71_arg_0 | var_71_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_46=1] [L449] SORT_3 var_71 = var_71_arg_0 | var_71_arg_1; [L450] SORT_3 var_72_arg_0 = var_46; [L451] SORT_3 var_72_arg_1 = var_71; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72_arg_0=1, var_72_arg_1=1] [L452] EXPR var_72_arg_0 & var_72_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L452] SORT_3 var_72 = var_72_arg_0 & var_72_arg_1; [L453] SORT_21 var_73_arg_0 = state_23; [L454] SORT_21 var_73_arg_1 = var_29; [L455] SORT_3 var_73 = var_73_arg_0 == var_73_arg_1; [L456] SORT_21 var_74_arg_0 = state_51; [L457] SORT_21 var_74_arg_1 = var_32; [L458] SORT_3 var_74 = var_74_arg_0 == var_74_arg_1; [L459] SORT_21 var_75_arg_0 = state_51; [L460] SORT_21 var_75_arg_1 = var_22; [L461] SORT_3 var_75 = var_75_arg_0 == var_75_arg_1; [L462] SORT_3 var_76_arg_0 = var_74; [L463] SORT_3 var_76_arg_1 = var_75; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_73=0, var_76_arg_0=0, var_76_arg_1=1] [L464] EXPR var_76_arg_0 | var_76_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_73=0] [L464] SORT_3 var_76 = var_76_arg_0 | var_76_arg_1; [L465] SORT_21 var_77_arg_0 = state_51; [L466] SORT_21 var_77_arg_1 = var_44; [L467] SORT_3 var_77 = var_77_arg_0 == var_77_arg_1; [L468] SORT_3 var_78_arg_0 = var_76; [L469] SORT_3 var_78_arg_1 = var_77; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_73=0, var_78_arg_0=1, var_78_arg_1=0] [L470] EXPR var_78_arg_0 | var_78_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_73=0] [L470] SORT_3 var_78 = var_78_arg_0 | var_78_arg_1; [L471] SORT_21 var_79_arg_0 = state_51; [L472] SORT_21 var_79_arg_1 = var_29; [L473] SORT_3 var_79 = var_79_arg_0 == var_79_arg_1; [L474] SORT_3 var_80_arg_0 = var_78; [L475] SORT_3 var_80_arg_1 = var_79; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_73=0, var_80_arg_0=1, var_80_arg_1=0] [L476] EXPR var_80_arg_0 | var_80_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_73=0] [L476] SORT_3 var_80 = var_80_arg_0 | var_80_arg_1; [L477] SORT_3 var_81_arg_0 = var_73; [L478] SORT_3 var_81_arg_1 = var_80; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_81_arg_0=0, var_81_arg_1=1] [L479] EXPR var_81_arg_0 & var_81_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1] [L479] SORT_3 var_81 = var_81_arg_0 & var_81_arg_1; [L480] SORT_21 var_82_arg_0 = state_23; [L481] SORT_21 var_82_arg_1 = var_29; [L482] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L483] SORT_3 var_83_arg_0 = var_82; [L484] SORT_3 var_83 = ~var_83_arg_0; [L485] SORT_3 var_84_arg_0 = var_81; [L486] SORT_3 var_84_arg_1 = var_83; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1, var_84_arg_0=0, var_84_arg_1=-1] [L487] EXPR var_84_arg_0 | var_84_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_72=1] [L487] SORT_3 var_84 = var_84_arg_0 | var_84_arg_1; [L488] SORT_3 var_85_arg_0 = var_72; [L489] SORT_3 var_85_arg_1 = var_84; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85_arg_0=1, var_85_arg_1=255] [L490] EXPR var_85_arg_0 & var_85_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L490] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L491] SORT_21 var_86_arg_0 = state_23; [L492] SORT_21 var_86_arg_1 = var_22; [L493] SORT_3 var_86 = var_86_arg_0 == var_86_arg_1; [L494] SORT_21 var_87_arg_0 = state_51; [L495] SORT_21 var_87_arg_1 = var_44; [L496] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L497] SORT_21 var_88_arg_0 = state_51; [L498] SORT_21 var_88_arg_1 = var_22; [L499] SORT_3 var_88 = var_88_arg_0 == var_88_arg_1; [L500] SORT_3 var_89_arg_0 = var_87; [L501] SORT_3 var_89_arg_1 = var_88; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1, var_89_arg_0=0, var_89_arg_1=1] [L502] EXPR var_89_arg_0 | var_89_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1] [L502] SORT_3 var_89 = var_89_arg_0 | var_89_arg_1; [L503] SORT_21 var_90_arg_0 = state_51; [L504] SORT_21 var_90_arg_1 = var_26; [L505] SORT_3 var_90 = var_90_arg_0 == var_90_arg_1; [L506] SORT_3 var_91_arg_0 = var_89; [L507] SORT_3 var_91_arg_1 = var_90; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1, var_91_arg_0=1, var_91_arg_1=0] [L508] EXPR var_91_arg_0 | var_91_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1] [L508] SORT_3 var_91 = var_91_arg_0 | var_91_arg_1; [L509] SORT_21 var_92_arg_0 = state_51; [L510] SORT_21 var_92_arg_1 = var_29; [L511] SORT_3 var_92 = var_92_arg_0 == var_92_arg_1; [L512] SORT_3 var_93_arg_0 = var_91; [L513] SORT_3 var_93_arg_1 = var_92; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1, var_93_arg_0=1, var_93_arg_1=0] [L514] EXPR var_93_arg_0 | var_93_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1] [L514] SORT_3 var_93 = var_93_arg_0 | var_93_arg_1; [L515] SORT_21 var_94_arg_0 = state_51; [L516] SORT_21 var_94_arg_1 = var_41; [L517] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L518] SORT_3 var_95_arg_0 = var_93; [L519] SORT_3 var_95_arg_1 = var_94; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1, var_95_arg_0=1, var_95_arg_1=0] [L520] EXPR var_95_arg_0 | var_95_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_86=1] [L520] SORT_3 var_95 = var_95_arg_0 | var_95_arg_1; [L521] SORT_3 var_96_arg_0 = var_86; [L522] SORT_3 var_96_arg_1 = var_95; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_96_arg_0=1, var_96_arg_1=1] [L523] EXPR var_96_arg_0 & var_96_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_23=1, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0] [L523] SORT_3 var_96 = var_96_arg_0 & var_96_arg_1; [L524] SORT_21 var_97_arg_0 = state_23; [L525] SORT_21 var_97_arg_1 = var_22; [L526] SORT_3 var_97 = var_97_arg_0 == var_97_arg_1; [L527] SORT_3 var_98_arg_0 = var_97; [L528] SORT_3 var_98 = ~var_98_arg_0; [L529] SORT_3 var_99_arg_0 = var_96; [L530] SORT_3 var_99_arg_1 = var_98; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0, var_99_arg_0=1, var_99_arg_1=-2] [L531] EXPR var_99_arg_0 | var_99_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0, var_85=0] [L531] SORT_3 var_99 = var_99_arg_0 | var_99_arg_1; [L532] SORT_3 var_100_arg_0 = var_85; [L533] SORT_3 var_100_arg_1 = var_99; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_100_arg_0=0, var_100_arg_1=254, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L534] EXPR var_100_arg_0 & var_100_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L534] SORT_3 var_100 = var_100_arg_0 & var_100_arg_1; [L535] SORT_3 var_102_arg_0 = var_100; [L536] SORT_3 var_102 = ~var_102_arg_0; [L537] SORT_3 var_103_arg_0 = var_101; [L538] SORT_3 var_103_arg_1 = var_102; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_103_arg_0=1, var_103_arg_1=-1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L539] EXPR var_103_arg_0 & var_103_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L539] SORT_3 var_103 = var_103_arg_0 & var_103_arg_1; [L540] EXPR var_103 & mask_SORT_3 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L540] var_103 = var_103 & mask_SORT_3 [L541] SORT_3 bad_104_arg_0 = var_103; [L542] CALL __VERIFIER_assert(!(bad_104_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.4s, OverallIterations: 49, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104288 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104288 mSDsluCounter, 444203 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358683 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10531 IncrementalHoareTripleChecker+Invalid, 10550 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 85520 mSDtfsCounter, 10531 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 89 SyntacticMatches, 22 SemanticMatches, 419 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1547occurred in iteration=48, InterpolantAutomatonStates: 362, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 48 MinimizatonAttempts, 10302 StatesRemovedByMinimization, 45 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 25.8s InterpolantComputationTime, 7241 NumberOfCodeBlocks, 7241 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 7031 ConstructedInterpolants, 0 QuantifiedInterpolants, 33021 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 48 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 06:49:58,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 06:50:00,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 06:50:00,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-14 06:50:00,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 06:50:00,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 06:50:00,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 06:50:00,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 06:50:00,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 06:50:00,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 06:50:00,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 06:50:00,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 06:50:00,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 06:50:00,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 06:50:00,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 06:50:00,892 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 06:50:00,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 06:50:00,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 06:50:00,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 06:50:00,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 06:50:00,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 06:50:00,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 06:50:00,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 06:50:00,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 06:50:00,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 06:50:00,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 06:50:00,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 06:50:00,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 06:50:00,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 06:50:00,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 06:50:00,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 06:50:00,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 06:50:00,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:50:00,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 06:50:00,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 06:50:00,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 06:50:00,901 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 06:50:00,901 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 06:50:00,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 06:50:00,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 06:50:00,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 06:50:00,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 06:50:00,902 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 06:50:00,902 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81684cd6f6f9906a1fa983a1abdb27554546d8d43af37740ea6944465197b3b8 [2024-10-14 06:50:01,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 06:50:01,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 06:50:01,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 06:50:01,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 06:50:01,191 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 06:50:01,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2024-10-14 06:50:02,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 06:50:02,811 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 06:50:02,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2024-10-14 06:50:02,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6bd977f/6f0d8809507a40419f6449fb301a6259/FLAG1750384de [2024-10-14 06:50:02,845 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6bd977f/6f0d8809507a40419f6449fb301a6259 [2024-10-14 06:50:02,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 06:50:02,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 06:50:02,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 06:50:02,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 06:50:02,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 06:50:02,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:50:02" (1/1) ... [2024-10-14 06:50:02,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572d3b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:02, skipping insertion in model container [2024-10-14 06:50:02,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:50:02" (1/1) ... [2024-10-14 06:50:02,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 06:50:03,103 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2024-10-14 06:50:03,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:50:03,450 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 06:50:03,460 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1246,1259] [2024-10-14 06:50:03,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:50:03,602 INFO L204 MainTranslator]: Completed translation [2024-10-14 06:50:03,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03 WrapperNode [2024-10-14 06:50:03,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 06:50:03,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 06:50:03,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 06:50:03,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 06:50:03,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,760 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2771 [2024-10-14 06:50:03,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 06:50:03,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 06:50:03,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 06:50:03,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 06:50:03,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,853 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 06:50:03,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 06:50:03,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 06:50:03,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 06:50:03,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 06:50:03,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (1/1) ... [2024-10-14 06:50:03,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:50:03,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 06:50:03,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 06:50:04,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 06:50:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 06:50:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 06:50:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 06:50:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 06:50:04,414 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 06:50:04,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 06:50:06,468 INFO L? ?]: Removed 313 outVars from TransFormulas that were not future-live. [2024-10-14 06:50:06,468 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 06:50:06,530 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 06:50:06,531 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 06:50:06,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:50:06 BoogieIcfgContainer [2024-10-14 06:50:06,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 06:50:06,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 06:50:06,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 06:50:06,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 06:50:06,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:50:02" (1/3) ... [2024-10-14 06:50:06,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fe27b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:50:06, skipping insertion in model container [2024-10-14 06:50:06,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:50:03" (2/3) ... [2024-10-14 06:50:06,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fe27b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:50:06, skipping insertion in model container [2024-10-14 06:50:06,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:50:06" (3/3) ... [2024-10-14 06:50:06,539 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pj_icu.c [2024-10-14 06:50:06,552 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 06:50:06,552 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 06:50:06,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 06:50:06,595 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d07735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 06:50:06,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 06:50:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:50:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 06:50:06,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:50:06,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 06:50:06,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:50:06,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:50:06,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-14 06:50:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 06:50:06,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114852326] [2024-10-14 06:50:06,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:50:06,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 06:50:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 06:50:06,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 06:50:06,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 06:50:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:50:07,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-14 06:50:07,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 06:50:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:50:07,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 06:50:07,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 06:50:07,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114852326] [2024-10-14 06:50:07,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114852326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:50:07,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:50:07,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 06:50:07,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140601185] [2024-10-14 06:50:07,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:50:07,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 06:50:07,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 06:50:07,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 06:50:07,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:50:07,511 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:50:07,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:50:07,590 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2024-10-14 06:50:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 06:50:07,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-14 06:50:07,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:50:07,598 INFO L225 Difference]: With dead ends: 14 [2024-10-14 06:50:07,598 INFO L226 Difference]: Without dead ends: 8 [2024-10-14 06:50:07,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:50:07,603 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:50:07,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:50:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-10-14 06:50:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-14 06:50:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:50:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-14 06:50:07,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-14 06:50:07,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:50:07,625 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-14 06:50:07,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:50:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-14 06:50:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 06:50:07,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:50:07,627 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 06:50:07,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 06:50:07,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 06:50:07,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:50:07,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:50:07,828 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-14 06:50:07,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 06:50:07,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770154007] [2024-10-14 06:50:07,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:50:07,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 06:50:07,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 06:50:07,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 06:50:07,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 06:50:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:50:09,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-10-14 06:50:09,142 INFO L278 TraceCheckSpWp]: Computing forward predicates...